Make non-void static functions whose return values are ignored by all callers return void instead.
These functions were found by static-analyzer.py. Not all occurrences of this problem were fixed. Signed-off-by: Alberto Faria <afa...@redhat.com> --- accel/kvm/kvm-all.c | 12 ++--- accel/tcg/plugin-gen.c | 9 ++-- accel/tcg/translate-all.c | 9 ++-- audio/audio.c | 5 +- block/block-copy.c | 4 +- block/file-posix.c | 6 +-- block/io.c | 30 +++++------- block/qcow2-bitmap.c | 6 +-- block/quorum.c | 5 +- block/vpc.c | 4 +- block/vvfat.c | 11 ++--- chardev/char-ringbuf.c | 4 +- contrib/ivshmem-server/main.c | 4 +- contrib/vhost-user-blk/vhost-user-blk.c | 5 +- dump/dump.c | 4 +- fsdev/virtfs-proxy-helper.c | 3 +- gdbstub.c | 18 +++----- hw/audio/intel-hda.c | 7 ++- hw/audio/pcspk.c | 7 +-- hw/char/virtio-serial-bus.c | 14 +++--- hw/display/cirrus_vga.c | 5 +- hw/hyperv/vmbus.c | 10 ++-- hw/i386/intel_iommu.c | 28 ++++++------ hw/i386/pc_q35.c | 5 +- hw/ide/pci.c | 4 +- hw/net/rtl8139.c | 3 +- hw/net/virtio-net.c | 6 +-- hw/net/vmxnet3.c | 3 +- hw/nvme/ctrl.c | 17 ++----- hw/nvram/fw_cfg.c | 3 +- hw/scsi/megasas.c | 6 +-- hw/scsi/mptconfig.c | 7 +-- hw/scsi/mptsas.c | 14 ++---- hw/scsi/scsi-bus.c | 6 +-- hw/usb/dev-audio.c | 13 +++--- hw/usb/hcd-ehci.c | 6 +-- hw/usb/hcd-ohci.c | 4 +- hw/usb/hcd-xhci.c | 56 +++++++++++------------ hw/vfio/common.c | 21 +++++---- hw/virtio/vhost-vdpa.c | 3 +- hw/virtio/vhost.c | 11 ++--- hw/virtio/virtio-iommu.c | 4 +- hw/virtio/virtio-mem.c | 9 ++-- io/channel-command.c | 10 ++-- migration/migration.c | 12 ++--- net/dump.c | 16 +++---- net/vhost-vdpa.c | 8 ++-- qemu-img.c | 6 +-- qga/commands-posix-ssh.c | 10 ++-- softmmu/physmem.c | 18 ++++---- softmmu/qtest.c | 5 +- subprojects/libvduse/libvduse.c | 12 ++--- subprojects/libvhost-user/libvhost-user.c | 24 ++++------ target/i386/host-cpu.c | 3 +- target/i386/kvm/kvm.c | 19 ++++---- tcg/optimize.c | 3 +- tests/qtest/libqos/malloc.c | 5 +- tests/qtest/libqos/qgraph.c | 3 +- tests/qtest/test-x86-cpuid-compat.c | 8 ++-- tests/qtest/virtio-9p-test.c | 6 +-- tests/unit/test-aio-multithread.c | 5 +- tests/vhost-user-bridge.c | 19 +++----- ui/vnc.c | 23 ++++------ util/aio-posix.c | 7 +-- util/uri.c | 18 +++----- 65 files changed, 248 insertions(+), 403 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index f165074e99..748e9d6a2a 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -759,7 +759,7 @@ static uint32_t kvm_dirty_ring_reap_one(KVMState *s, CPUState *cpu) } /* Must be with slots_lock held */ -static uint64_t kvm_dirty_ring_reap_locked(KVMState *s, CPUState* cpu) +static void kvm_dirty_ring_reap_locked(KVMState *s, CPUState* cpu) { int ret; uint64_t total = 0; @@ -785,18 +785,14 @@ static uint64_t kvm_dirty_ring_reap_locked(KVMState *s, CPUState* cpu) if (total) { trace_kvm_dirty_ring_reap(total, stamp / 1000); } - - return total; } /* * Currently for simplicity, we must hold BQL before calling this. We can * consider to drop the BQL if we're clear with all the race conditions. */ -static uint64_t kvm_dirty_ring_reap(KVMState *s, CPUState *cpu) +static void kvm_dirty_ring_reap(KVMState *s, CPUState *cpu) { - uint64_t total; - /* * We need to lock all kvm slots for all address spaces here, * because: @@ -813,10 +809,8 @@ static uint64_t kvm_dirty_ring_reap(KVMState *s, CPUState *cpu) * reset below. */ kvm_slots_lock(); - total = kvm_dirty_ring_reap_locked(s, cpu); + kvm_dirty_ring_reap_locked(s, cpu); kvm_slots_unlock(); - - return total; } static void do_kvm_cpu_synchronize_kick(CPUState *cpu, run_on_cpu_data arg) diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c index 3d0b101e34..ca84f1f1f8 100644 --- a/accel/tcg/plugin-gen.c +++ b/accel/tcg/plugin-gen.c @@ -239,21 +239,18 @@ static TCGOp *find_op(TCGOp *op, TCGOpcode opc) return NULL; } -static TCGOp *rm_ops_range(TCGOp *begin, TCGOp *end) +static void rm_ops_range(TCGOp *begin, TCGOp *end) { - TCGOp *ret = QTAILQ_NEXT(end, link); - QTAILQ_REMOVE_SEVERAL(&tcg_ctx->ops, begin, end, link); - return ret; } /* remove all ops until (and including) plugin_cb_end */ -static TCGOp *rm_ops(TCGOp *op) +static void rm_ops(TCGOp *op) { TCGOp *end_op = find_op(op, INDEX_op_plugin_cb_end); tcg_debug_assert(end_op); - return rm_ops_range(op, end_op); + rm_ops_range(op, end_op); } static TCGOp *copy_op_nocheck(TCGOp **begin_op, TCGOp *op) diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index ef62a199c7..0c93c3143d 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -329,8 +329,8 @@ static int encode_search(TranslationBlock *tb, uint8_t *block) * When reset_icount is true, current TB will be interrupted and * icount should be recalculated. */ -static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, - uintptr_t searched_pc, bool reset_icount) +static void cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, + uintptr_t searched_pc, bool reset_icount) { target_ulong data[TARGET_INSN_START_WORDS] = { tb->pc }; uintptr_t host_pc = (uintptr_t)tb->tc.ptr; @@ -345,7 +345,7 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, searched_pc -= GETPC_ADJ; if (searched_pc < host_pc) { - return -1; + return; } /* Reconstruct the stored insn data while looking for the point at @@ -359,7 +359,7 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, goto found; } } - return -1; + return; found: if (reset_icount && (tb_cflags(tb) & CF_USE_ICOUNT)) { @@ -375,7 +375,6 @@ static int cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb, prof->restore_time + profile_getclock() - ti); qatomic_set(&prof->restore_count, prof->restore_count + 1); #endif - return 0; } bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit) diff --git a/audio/audio.c b/audio/audio.c index a02f3ce5c6..79022b2325 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -478,7 +478,7 @@ static void audio_detach_capture (HWVoiceOut *hw) } } -static int audio_attach_capture (HWVoiceOut *hw) +static void audio_attach_capture(HWVoiceOut *hw) { AudioState *s = hw->s; CaptureVoiceOut *cap; @@ -504,7 +504,7 @@ static int audio_attach_capture (HWVoiceOut *hw) if (!sw->rate) { dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); g_free (sw); - return -1; + return; } QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); @@ -518,7 +518,6 @@ static int audio_attach_capture (HWVoiceOut *hw) audio_capture_maybe_changed (cap, 1); } } - return 0; } /* diff --git a/block/block-copy.c b/block/block-copy.c index bb947afdda..20a1b425d5 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -820,7 +820,7 @@ void block_copy_kick(BlockCopyCallState *call_state) * it means that some I/O operation failed in context of _this_ block_copy call, * not some parallel operation. */ -static int coroutine_fn block_copy_common(BlockCopyCallState *call_state) +static void coroutine_fn block_copy_common(BlockCopyCallState *call_state) { int ret; BlockCopyState *s = call_state->s; @@ -879,8 +879,6 @@ static int coroutine_fn block_copy_common(BlockCopyCallState *call_state) qemu_co_mutex_lock(&s->lock); QLIST_REMOVE(call_state, list); qemu_co_mutex_unlock(&s->lock); - - return ret; } static void coroutine_fn block_copy_async_co_entry(void *opaque) diff --git a/block/file-posix.c b/block/file-posix.c index 48cd096624..a4641da7f9 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1895,7 +1895,7 @@ static int handle_aiocb_discard(void *opaque) * Returns: 0 on success, -errno on failure. Since this is an optimization, * caller may ignore failures. */ -static int allocate_first_block(int fd, size_t max_size) +static void allocate_first_block(int fd, size_t max_size) { size_t write_size = (max_size < MAX_BLOCKSIZE) ? BDRV_SECTOR_SIZE @@ -1903,7 +1903,6 @@ static int allocate_first_block(int fd, size_t max_size) size_t max_align = MAX(MAX_BLOCKSIZE, qemu_real_host_page_size()); void *buf; ssize_t n; - int ret; buf = qemu_memalign(max_align, write_size); memset(buf, 0, write_size); @@ -1912,10 +1911,7 @@ static int allocate_first_block(int fd, size_t max_size) n = pwrite(fd, buf, write_size, 0); } while (n == -1 && errno == EINTR); - ret = (n == -1) ? -errno : 0; - qemu_vfree(buf); - return ret; } static int handle_aiocb_truncate(void *opaque) diff --git a/block/io.c b/block/io.c index 0a8cbefe86..853ed44289 100644 --- a/block/io.c +++ b/block/io.c @@ -934,20 +934,16 @@ void bdrv_dec_in_flight(BlockDriverState *bs) bdrv_wakeup(bs); } -static bool coroutine_fn bdrv_wait_serialising_requests(BdrvTrackedRequest *self) +static void coroutine_fn +bdrv_wait_serialising_requests(BdrvTrackedRequest *self) { BlockDriverState *bs = self->bs; - bool waited = false; - if (!qatomic_read(&bs->serialising_in_flight)) { - return false; + if (qatomic_read(&bs->serialising_in_flight)) { + qemu_co_mutex_lock(&bs->reqs_lock); + bdrv_wait_serialising_requests_locked(self); + qemu_co_mutex_unlock(&bs->reqs_lock); } - - qemu_co_mutex_lock(&bs->reqs_lock); - waited = bdrv_wait_serialising_requests_locked(self); - qemu_co_mutex_unlock(&bs->reqs_lock); - - return waited; } bool coroutine_fn bdrv_make_request_serialising(BdrvTrackedRequest *req, @@ -1644,10 +1640,10 @@ static bool bdrv_init_padding(BlockDriverState *bs, return true; } -static int bdrv_padding_rmw_read(BdrvChild *child, - BdrvTrackedRequest *req, - BdrvRequestPadding *pad, - bool zero_middle) +static void bdrv_padding_rmw_read(BdrvChild *child, + BdrvTrackedRequest *req, + BdrvRequestPadding *pad, + bool zero_middle) { QEMUIOVector local_qiov; BlockDriverState *bs = child->bs; @@ -1670,7 +1666,7 @@ static int bdrv_padding_rmw_read(BdrvChild *child, ret = bdrv_aligned_preadv(child, req, req->overlap_offset, bytes, align, &local_qiov, 0, 0); if (ret < 0) { - return ret; + return; } if (pad->head) { bdrv_debug_event(bs, BLKDBG_PWRITEV_RMW_AFTER_HEAD); @@ -1693,7 +1689,7 @@ static int bdrv_padding_rmw_read(BdrvChild *child, req->overlap_offset + req->overlap_bytes - align, align, align, &local_qiov, 0, 0); if (ret < 0) { - return ret; + return; } bdrv_debug_event(bs, BLKDBG_PWRITEV_RMW_AFTER_TAIL); } @@ -1702,8 +1698,6 @@ zero_mem: if (zero_middle) { memset(pad->buf + pad->head, 0, pad->buf_len - pad->head - pad->tail); } - - return 0; } static void bdrv_padding_destroy(BdrvRequestPadding *pad) diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index e98bafe0f4..14e55cefac 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -257,14 +257,14 @@ fail: return ret; } -static int free_bitmap_clusters(BlockDriverState *bs, Qcow2BitmapTable *tb) +static void free_bitmap_clusters(BlockDriverState *bs, Qcow2BitmapTable *tb) { int ret; uint64_t *bitmap_table; ret = bitmap_table_load(bs, tb, &bitmap_table); if (ret < 0) { - return ret; + return; } clear_bitmap_table(bs, bitmap_table, tb->size); @@ -274,8 +274,6 @@ static int free_bitmap_clusters(BlockDriverState *bs, Qcow2BitmapTable *tb) tb->offset = 0; tb->size = 0; - - return 0; } /* load_bitmap_data diff --git a/block/quorum.c b/block/quorum.c index f33f30d36b..9c0fbd79be 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -293,7 +293,7 @@ static void quorum_rewrite_entry(void *opaque) } } -static bool quorum_rewrite_bad_versions(QuorumAIOCB *acb, +static void quorum_rewrite_bad_versions(QuorumAIOCB *acb, QuorumVoteValue *value) { QuorumVoteVersion *version; @@ -331,9 +331,6 @@ static bool quorum_rewrite_bad_versions(QuorumAIOCB *acb, qemu_coroutine_enter(co); } } - - /* return true if any rewrite is done else false */ - return count; } static void quorum_count_vote(QuorumVotes *votes, diff --git a/block/vpc.c b/block/vpc.c index 4f49ef207f..03d65505d1 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -782,7 +782,7 @@ static int coroutine_fn vpc_co_block_status(BlockDriverState *bs, * the hardware EIDE and ATA-2 limit of 16 heads (max disk size of 127 GB) * and instead allow up to 255 heads. */ -static int calculate_geometry(int64_t total_sectors, uint16_t *cyls, +static void calculate_geometry(int64_t total_sectors, uint16_t *cyls, uint8_t *heads, uint8_t *secs_per_cyl) { uint32_t cyls_times_heads; @@ -816,8 +816,6 @@ static int calculate_geometry(int64_t total_sectors, uint16_t *cyls, } *cyls = cyls_times_heads / *heads; - - return 0; } static int create_dynamic_disk(BlockBackend *blk, VHDFooter *footer, diff --git a/block/vvfat.c b/block/vvfat.c index d6dd919683..6c4c66eff7 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -154,9 +154,9 @@ static inline int array_remove_slice(array_t* array,int index, int count) return 0; } -static int array_remove(array_t* array,int index) +static void array_remove(array_t* array,int index) { - return array_remove_slice(array, index, 1); + array_remove_slice(array, index, 1); } /* return the index for a given member */ @@ -2968,13 +2968,12 @@ DLOG(checkpoint()); return 0; } -static int try_commit(BDRVVVFATState* s) +static void try_commit(BDRVVVFATState* s) { vvfat_close_current_file(s); DLOG(checkpoint()); - if(!is_consistent(s)) - return -1; - return do_commit(s); + if (is_consistent(s)) + do_commit(s); } static int vvfat_write(BlockDriverState *bs, int64_t sector_num, diff --git a/chardev/char-ringbuf.c b/chardev/char-ringbuf.c index d40d21d3cf..335d75e824 100644 --- a/chardev/char-ringbuf.c +++ b/chardev/char-ringbuf.c @@ -71,7 +71,7 @@ static int ringbuf_chr_write(Chardev *chr, const uint8_t *buf, int len) return len; } -static int ringbuf_chr_read(Chardev *chr, uint8_t *buf, int len) +static void ringbuf_chr_read(Chardev *chr, uint8_t *buf, int len) { RingBufChardev *d = RINGBUF_CHARDEV(chr); int i; @@ -81,8 +81,6 @@ static int ringbuf_chr_read(Chardev *chr, uint8_t *buf, int len) buf[i] = d->cbuf[d->cons++ & (d->size - 1)]; } qemu_mutex_unlock(&chr->chr_write_lock); - - return i; } static void char_ringbuf_finalize(Object *obj) diff --git a/contrib/ivshmem-server/main.c b/contrib/ivshmem-server/main.c index 224dbeb547..67a0d7a497 100644 --- a/contrib/ivshmem-server/main.c +++ b/contrib/ivshmem-server/main.c @@ -143,7 +143,7 @@ ivshmem_server_parse_args(IvshmemServerArgs *args, int argc, char *argv[]) /* wait for events on listening server unix socket and connected client * sockets */ -static int +static void ivshmem_server_poll_events(IvshmemServer *server) { fd_set fds; @@ -174,8 +174,6 @@ ivshmem_server_poll_events(IvshmemServer *server) break; } } - - return ret; } static void diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c index 9cb78ca1d0..e4df9a074c 100644 --- a/contrib/vhost-user-blk/vhost-user-blk.c +++ b/contrib/vhost-user-blk/vhost-user-blk.c @@ -66,8 +66,8 @@ static size_t vub_iov_size(const struct iovec *iov, return len; } -static size_t vub_iov_to_buf(const struct iovec *iov, - const unsigned int iov_cnt, void *buf) +static void vub_iov_to_buf(const struct iovec *iov, + const unsigned int iov_cnt, void *buf) { size_t len; unsigned int i; @@ -77,7 +77,6 @@ static size_t vub_iov_to_buf(const struct iovec *iov, memcpy(buf + len, iov[i].iov_base, iov[i].iov_len); len += iov[i].iov_len; } - return len; } static void vub_panic_cb(VuDev *vu_dev, const char *buf) diff --git a/dump/dump.c b/dump/dump.c index 4d9658ffa2..5080ecf574 100644 --- a/dump/dump.c +++ b/dump/dump.c @@ -92,7 +92,7 @@ uint64_t cpu_to_dump64(DumpState *s, uint64_t val) return val; } -static int dump_cleanup(DumpState *s) +static void dump_cleanup(DumpState *s) { guest_phys_blocks_free(&s->guest_phys_blocks); memory_mapping_list_free(&s->list); @@ -109,8 +109,6 @@ static int dump_cleanup(DumpState *s) } } migrate_del_blocker(dump_migration_blocker); - - return 0; } static int fd_write_vmcore(const void *buf, size_t size, void *opaque) diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c index 2dde27922f..b91f730120 100644 --- a/fsdev/virtfs-proxy-helper.c +++ b/fsdev/virtfs-proxy-helper.c @@ -829,7 +829,7 @@ static int process_reply(int sock, int type, return 0; } -static int process_requests(int sock) +static void process_requests(int sock) { int flags; int size = 0; @@ -1016,7 +1016,6 @@ static int process_requests(int sock) err_out: g_free(in_iovec.iov_base); g_free(out_iovec.iov_base); - return -1; } int main(int argc, char **argv) diff --git a/gdbstub.c b/gdbstub.c index cf869b10e3..f73461848c 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -506,10 +506,9 @@ static inline void gdb_continue(void) * Resume execution, per CPU actions. For user-mode emulation it's * equivalent to gdb_continue. */ -static int gdb_continue_partial(char *newstates) +static void gdb_continue_partial(char *newstates) { CPUState *cpu; - int res = 0; #ifdef CONFIG_USER_ONLY /* * This is not exactly accurate, but it's an improvement compared to the @@ -535,7 +534,7 @@ static int gdb_continue_partial(char *newstates) } if (vm_prepare_start(step_requested)) { - return 0; + return; } CPU_FOREACH(cpu) { @@ -555,7 +554,6 @@ static int gdb_continue_partial(char *newstates) flag = 1; break; default: - res = -1; break; } } @@ -564,7 +562,6 @@ static int gdb_continue_partial(char *newstates) qemu_clock_enable(QEMU_CLOCK_VIRTUAL, true); } #endif - return res; } static void put_buffer(const uint8_t *buf, int len) @@ -665,8 +662,7 @@ static void hexdump(const char *buf, int len, } } -/* return -1 if error, 0 if OK */ -static int put_packet_binary(const char *buf, int len, bool dump) +static void put_packet_binary(const char *buf, int len, bool dump) { int csum, i; uint8_t footer[3]; @@ -696,22 +692,20 @@ static int put_packet_binary(const char *buf, int len, bool dump) #ifdef CONFIG_USER_ONLY i = get_char(); if (i < 0) - return -1; + return; if (i == '+') break; #else break; #endif } - return 0; } -/* return -1 if error, 0 if OK */ -static int put_packet(const char *buf) +static void put_packet(const char *buf) { trace_gdbstub_io_reply(buf); - return put_packet_binary(buf, strlen(buf), false); + put_packet_binary(buf, strlen(buf), false); } static void put_strbuf(void) diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c index f38117057b..19284c5c9d 100644 --- a/hw/audio/intel-hda.c +++ b/hw/audio/intel-hda.c @@ -283,7 +283,7 @@ static void intel_hda_update_irq(IntelHDAState *d) } } -static int intel_hda_send_command(IntelHDAState *d, uint32_t verb) +static void intel_hda_send_command(IntelHDAState *d, uint32_t verb) { uint32_t cad, nid, data; HDACodecDevice *codec; @@ -293,7 +293,7 @@ static int intel_hda_send_command(IntelHDAState *d, uint32_t verb) if (verb & (1 << 27)) { /* indirect node addressing, not specified in HDA 1.0 */ dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__); - return -1; + return; } nid = (verb >> 20) & 0x7f; data = verb & 0xfffff; @@ -301,11 +301,10 @@ static int intel_hda_send_command(IntelHDAState *d, uint32_t verb) codec = hda_codec_find(&d->codecs, cad); if (codec == NULL) { dprint(d, 1, "%s: addressed non-existing codec\n", __func__); - return -1; + return; } cdc = HDA_CODEC_DEVICE_GET_CLASS(codec); cdc->command(codec, nid, data); - return 0; } static void intel_hda_corb_run(IntelHDAState *d) diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c index daf92a4ce1..027c04a88e 100644 --- a/hw/audio/pcspk.c +++ b/hw/audio/pcspk.c @@ -114,13 +114,13 @@ static void pcspk_callback(void *opaque, int free) } } -static int pcspk_audio_init(PCSpkState *s) +static void pcspk_audio_init(PCSpkState *s) { struct audsettings as = {PCSPK_SAMPLE_RATE, 1, AUDIO_FORMAT_U8, 0}; if (s->voice) { /* already initialized */ - return 0; + return; } AUD_register_card(s_spk, &s->card); @@ -128,10 +128,7 @@ static int pcspk_audio_init(PCSpkState *s) s->voice = AUD_open_out(&s->card, s->voice, s_spk, s, pcspk_callback, &as); if (!s->voice) { AUD_log(s_spk, "Could not open voice\n"); - return -1; } - - return 0; } static uint64_t pcspk_io_read(void *opaque, hwaddr addr, diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index 7d4601cb5d..5196b8d5ea 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -221,19 +221,19 @@ static void flush_queued_data(VirtIOSerialPort *port) do_flush_queued_data(port, port->ovq, VIRTIO_DEVICE(port->vser)); } -static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len) +static void send_control_msg(VirtIOSerial *vser, void *buf, size_t len) { VirtQueueElement *elem; VirtQueue *vq; vq = vser->c_ivq; if (!virtio_queue_ready(vq)) { - return 0; + return; } elem = virtqueue_pop(vq, sizeof(VirtQueueElement)); if (!elem) { - return 0; + return; } /* TODO: detect a buffer that's too short, set NEEDS_RESET */ @@ -242,12 +242,10 @@ static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len) virtqueue_push(vq, elem, len); virtio_notify(VIRTIO_DEVICE(vser), vq); g_free(elem); - - return len; } -static size_t send_control_event(VirtIOSerial *vser, uint32_t port_id, - uint16_t event, uint16_t value) +static void send_control_event(VirtIOSerial *vser, uint32_t port_id, + uint16_t event, uint16_t value) { VirtIODevice *vdev = VIRTIO_DEVICE(vser); struct virtio_console_control cpkt; @@ -257,7 +255,7 @@ static size_t send_control_event(VirtIOSerial *vser, uint32_t port_id, virtio_stw_p(vdev, &cpkt.value, value); trace_virtio_serial_send_control_event(port_id, event, value); - return send_control_msg(vser, &cpkt, sizeof(cpkt)); + send_control_msg(vser, &cpkt, sizeof(cpkt)); } /* Functions for use inside qemu to open and read from/write to ports */ diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c index 3bb6a58698..f8e7e2d077 100644 --- a/hw/display/cirrus_vga.c +++ b/hw/display/cirrus_vga.c @@ -696,12 +696,12 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState *s) /* fill */ -static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) +static void cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) { cirrus_fill_t rop_func; if (blit_is_unsafe(s, true)) { - return 0; + return; } rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; rop_func(s, s->cirrus_blt_dstaddr, @@ -711,7 +711,6 @@ static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) s->cirrus_blt_dstpitch, s->cirrus_blt_width, s->cirrus_blt_height); cirrus_bitblt_reset(s); - return 1; } /*************************************** diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c index 30bc04e1c4..c18e4942e3 100644 --- a/hw/hyperv/vmbus.c +++ b/hw/hyperv/vmbus.c @@ -728,9 +728,8 @@ bool vmbus_channel_is_open(VMBusChannel *chan) * flag (more recent guests) or setting a bit in the interrupt page and firing * the VMBus SINT (older guests). */ -static int vmbus_channel_notify_guest(VMBusChannel *chan) +static void vmbus_channel_notify_guest(VMBusChannel *chan) { - int res = 0; unsigned long *int_map, mask; unsigned idx; hwaddr addr = chan->vmbus->int_page_gpa; @@ -739,25 +738,24 @@ static int vmbus_channel_notify_guest(VMBusChannel *chan) trace_vmbus_channel_notify_guest(chan->id); if (!addr) { - return hyperv_set_event_flag(chan->notify_route, chan->id); + hyperv_set_event_flag(chan->notify_route, chan->id); + return; } int_map = cpu_physical_memory_map(addr, &len, 1); if (len != TARGET_PAGE_SIZE / 2) { - res = -ENXIO; goto unmap; } idx = BIT_WORD(chan->id); mask = BIT_MASK(chan->id); if ((qatomic_fetch_or(&int_map[idx], mask) & mask) != mask) { - res = hyperv_sint_route_set_sint(chan->notify_route); + hyperv_sint_route_set_sint(chan->notify_route); dirty = len; } unmap: cpu_physical_memory_unmap(int_map, len, 1, dirty); - return res; } #define VMBUS_PKT_TRAILER sizeof(uint64_t) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 2162394e08..970ba19593 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -146,12 +146,11 @@ static void vtd_set_quad_raw(IntelIOMMUState *s, hwaddr addr, uint64_t val) stq_le_p(&s->csr[addr], val); } -static uint32_t vtd_set_clear_mask_long(IntelIOMMUState *s, hwaddr addr, - uint32_t clear, uint32_t mask) +static void vtd_set_clear_mask_long(IntelIOMMUState *s, hwaddr addr, + uint32_t clear, uint32_t mask) { uint32_t new_val = (ldl_le_p(&s->csr[addr]) & ~clear) | mask; stl_le_p(&s->csr[addr], new_val); - return new_val; } static uint64_t vtd_set_clear_mask_quad(IntelIOMMUState *s, hwaddr addr, @@ -1312,15 +1311,15 @@ next: * @end: IOVA range end address (start <= addr < end) * @info: page walking information struct */ -static int vtd_page_walk(IntelIOMMUState *s, VTDContextEntry *ce, - uint64_t start, uint64_t end, - vtd_page_walk_info *info) +static void vtd_page_walk(IntelIOMMUState *s, VTDContextEntry *ce, + uint64_t start, uint64_t end, + vtd_page_walk_info *info) { dma_addr_t addr = vtd_get_iova_pgtbl_base(s, ce); uint32_t level = vtd_get_iova_level(s, ce); if (!vtd_iova_range_check(s, start, ce, info->aw)) { - return -VTD_FR_ADDR_BEYOND_MGAW; + return; } if (!vtd_iova_range_check(s, end, ce, info->aw)) { @@ -1328,7 +1327,7 @@ static int vtd_page_walk(IntelIOMMUState *s, VTDContextEntry *ce, end = vtd_iova_limit(s, ce, info->aw); } - return vtd_page_walk_level(addr, start, end, level, true, true, info); + vtd_page_walk_level(addr, start, end, level, true, true, info); } static int vtd_root_entry_rsvd_bits_check(IntelIOMMUState *s, @@ -1488,7 +1487,7 @@ static uint16_t vtd_get_domain_id(IntelIOMMUState *s, return VTD_CONTEXT_ENTRY_DID(ce->hi); } -static int vtd_sync_shadow_page_table_range(VTDAddressSpace *vtd_as, +static void vtd_sync_shadow_page_table_range(VTDAddressSpace *vtd_as, VTDContextEntry *ce, hwaddr addr, hwaddr size) { @@ -1502,17 +1501,17 @@ static int vtd_sync_shadow_page_table_range(VTDAddressSpace *vtd_as, .domain_id = vtd_get_domain_id(s, ce), }; - return vtd_page_walk(s, ce, addr, addr + size, &info); + vtd_page_walk(s, ce, addr, addr + size, &info); } -static int vtd_sync_shadow_page_table(VTDAddressSpace *vtd_as) +static void vtd_sync_shadow_page_table(VTDAddressSpace *vtd_as) { int ret; VTDContextEntry ce; IOMMUNotifier *n; if (!(vtd_as->iommu.iommu_notify_flags & IOMMU_NOTIFIER_IOTLB_EVENTS)) { - return 0; + return; } ret = vtd_dev_to_context_entry(vtd_as->iommu_state, @@ -1532,12 +1531,11 @@ static int vtd_sync_shadow_page_table(VTDAddressSpace *vtd_as) IOMMU_NOTIFIER_FOREACH(n, &vtd_as->iommu) { vtd_address_space_unmap(vtd_as, n); } - ret = 0; } - return ret; + return; } - return vtd_sync_shadow_page_table_range(vtd_as, &ce, 0, UINT64_MAX); + vtd_sync_shadow_page_table_range(vtd_as, &ce, 0, UINT64_MAX); } /* diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 3a35193ff7..aa7f9d778a 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -76,7 +76,7 @@ static const struct ehci_companions ich9_1a[] = { { .name = "ich9-usb-uhci6", .func = 2, .port = 4 }, }; -static int ehci_create_ich9_with_companions(PCIBus *bus, int slot) +static void ehci_create_ich9_with_companions(PCIBus *bus, int slot) { const struct ehci_companions *comp; PCIDevice *ehci, *uhci; @@ -94,7 +94,7 @@ static int ehci_create_ich9_with_companions(PCIBus *bus, int slot) comp = ich9_1a; break; default: - return -1; + return; } ehci = pci_new_multifunction(PCI_DEVFN(slot, 7), true, name); @@ -108,7 +108,6 @@ static int ehci_create_ich9_with_companions(PCIBus *bus, int slot) qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port); pci_realize_and_unref(uhci, bus, &error_fatal); } - return 0; } /* PC hardware initialisation */ diff --git a/hw/ide/pci.c b/hw/ide/pci.c index 84ba733548..7d45923113 100644 --- a/hw/ide/pci.c +++ b/hw/ide/pci.c @@ -381,7 +381,7 @@ static int ide_bmdma_pre_save(void *opaque) /* This function accesses bm->bus->error_status which is loaded only after * BMDMA itself. This is why the function is called from ide_pci_post_load * instead of being registered with VMState where it would run too early. */ -static int ide_bmdma_post_load(void *opaque, int version_id) +static void ide_bmdma_post_load(void *opaque, int version_id) { BMDMAState *bm = opaque; uint8_t abused_bits = BM_MIGRATION_COMPAT_STATUS_BITS; @@ -395,8 +395,6 @@ static int ide_bmdma_post_load(void *opaque, int version_id) bm->bus->retry_nsector = bm->migration_retry_nsector; bm->bus->retry_unit = bm->migration_retry_unit; } - - return 0; } static const VMStateDescription vmstate_bmdma_current = { diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c index 6b65823b4b..e5511ec5ce 100644 --- a/hw/net/rtl8139.c +++ b/hw/net/rtl8139.c @@ -86,9 +86,8 @@ # define DPRINTF(fmt, ...) \ do { fprintf(stderr, "RTL8139: " fmt, ## __VA_ARGS__); } while (0) #else -static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...) +static inline G_GNUC_PRINTF(1, 2) void DPRINTF(const char *fmt, ...) { - return 0; } #endif diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index dd0d056fde..392ac7eb3a 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1218,14 +1218,14 @@ static void virtio_net_detach_epbf_rss(VirtIONet *n) virtio_net_attach_ebpf_to_backend(n->nic, -1); } -static bool virtio_net_load_ebpf(VirtIONet *n) +static void virtio_net_load_ebpf(VirtIONet *n) { if (!virtio_net_attach_ebpf_to_backend(n->nic, -1)) { /* backend does't support steering ebpf */ - return false; + return; } - return ebpf_rss_load(&n->ebpf_rss); + ebpf_rss_load(&n->ebpf_rss); } static void virtio_net_unload_ebpf(VirtIONet *n) diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c index 0b7acf7f89..078cf77ae3 100644 --- a/hw/net/vmxnet3.c +++ b/hw/net/vmxnet3.c @@ -609,7 +609,7 @@ vmxnet3_pop_next_tx_descr(VMXNET3State *s, return false; } -static bool +static void vmxnet3_send_packet(VMXNET3State *s, uint32_t qidx) { Vmxnet3PktStatus status = VMXNET3_PKT_STATUS_OK; @@ -630,7 +630,6 @@ vmxnet3_send_packet(VMXNET3State *s, uint32_t qidx) func_exit: vmxnet3_on_tx_done_update_stats(s, qidx, status); - return (status == VMXNET3_PKT_STATUS_OK); } static void vmxnet3_process_tx_queue(VMXNET3State *s, int qidx) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 533ad14e7a..686c580026 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -1815,7 +1815,7 @@ static uint16_t nvme_zrm_close(NvmeNamespace *ns, NvmeZone *zone) } } -static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) +static void nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) { switch (nvme_get_zone_state(zone)) { case NVME_ZONE_STATE_EXPLICITLY_OPEN: @@ -1837,11 +1837,8 @@ static uint16_t nvme_zrm_reset(NvmeNamespace *ns, NvmeZone *zone) zone->d.wp = zone->w_ptr; nvme_assign_zone_state(ns, zone, NVME_ZONE_STATE_EMPTY); /* fallthrough */ - case NVME_ZONE_STATE_EMPTY: - return NVME_SUCCESS; - default: - return NVME_ZONE_INVAL_TRANSITION; + break; } } @@ -7319,16 +7316,14 @@ static void nvme_init_sriov(NvmeCtrl *n, PCIDevice *pci_dev, uint16_t offset) PCI_BASE_ADDRESS_MEM_TYPE_64, bar_size); } -static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) +static void nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) { Error *err = NULL; - int ret; - ret = pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, - PCI_PM_SIZEOF, &err); + pci_add_capability(pci_dev, PCI_CAP_ID_PM, offset, PCI_PM_SIZEOF, &err); if (err) { error_report_err(err); - return ret; + return; } pci_set_word(pci_dev->config + offset + PCI_PM_PMC, @@ -7337,8 +7332,6 @@ static int nvme_add_pm_capability(PCIDevice *pci_dev, uint8_t offset) PCI_PM_CTRL_NO_SOFT_RESET); pci_set_word(pci_dev->wmask + offset + PCI_PM_CTRL, PCI_PM_CTRL_STATE_MASK); - - return 0; } static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index d605f3f45a..fb8e06538b 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -265,7 +265,7 @@ static inline uint32_t fw_cfg_max_entry(const FWCfgState *s) return FW_CFG_FILE_FIRST + fw_cfg_file_slots(s); } -static int fw_cfg_select(FWCfgState *s, uint16_t key) +static void fw_cfg_select(FWCfgState *s, uint16_t key) { int arch, ret; FWCfgEntry *e; @@ -286,7 +286,6 @@ static int fw_cfg_select(FWCfgState *s, uint16_t key) } trace_fw_cfg_select(s, key, trace_key_name(key), ret); - return ret; } static uint64_t fw_cfg_data_read(void *opaque, hwaddr addr, unsigned size) diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index d5dfb412ba..32a0b489b9 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -325,7 +325,7 @@ unmap: /* * passthrough sense and io sense are at the same offset */ -static int megasas_build_sense(MegasasCmd *cmd, uint8_t *sense_ptr, +static void megasas_build_sense(MegasasCmd *cmd, uint8_t *sense_ptr, uint8_t sense_len) { PCIDevice *pcid = PCI_DEVICE(cmd->state); @@ -346,7 +346,6 @@ static int megasas_build_sense(MegasasCmd *cmd, uint8_t *sense_ptr, pci_dma_write(pcid, pa, sense_ptr, sense_len); cmd->frame->header.sense_len = sense_len; } - return sense_len; } static void megasas_write_sense(MegasasCmd *cmd, SCSISense sense) @@ -376,7 +375,7 @@ static void megasas_copy_sense(MegasasCmd *cmd) /* * Format an INQUIRY CDB */ -static int megasas_setup_inquiry(uint8_t *cdb, int pg, int len) +static void megasas_setup_inquiry(uint8_t *cdb, int pg, int len) { memset(cdb, 0, 6); cdb[0] = INQUIRY; @@ -385,7 +384,6 @@ static int megasas_setup_inquiry(uint8_t *cdb, int pg, int len) cdb[2] = pg; } stw_be_p(&cdb[3], len); - return len; } /* diff --git a/hw/scsi/mptconfig.c b/hw/scsi/mptconfig.c index 19d01f39fa..195fcdad26 100644 --- a/hw/scsi/mptconfig.c +++ b/hw/scsi/mptconfig.c @@ -127,16 +127,13 @@ static size_t vpack(uint8_t **p_data, const char *fmt, va_list ap1) return vfill(data, size, fmt, ap1); } -static size_t fill(uint8_t *data, size_t size, const char *fmt, ...) +static void fill(uint8_t *data, size_t size, const char *fmt, ...) { va_list ap; - size_t ret; va_start(ap, fmt); - ret = vfill(data, size, fmt, ap); + vfill(data, size, fmt, ap); va_end(ap); - - return ret; } /* Functions to build the page header and fill in the length, always used diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c index 706cf0df3a..78325ef797 100644 --- a/hw/scsi/mptsas.c +++ b/hw/scsi/mptsas.c @@ -287,9 +287,9 @@ static int mptsas_scsi_device_find(MPTSASState *s, int bus, int target, return 0; } -static int mptsas_process_scsi_io_request(MPTSASState *s, - MPIMsgSCSIIORequest *scsi_io, - hwaddr addr) +static void mptsas_process_scsi_io_request(MPTSASState *s, + MPIMsgSCSIIORequest *scsi_io, + hwaddr addr) { MPTSASRequest *req; MPIMsgSCSIIOReply reply; @@ -352,7 +352,7 @@ static int mptsas_process_scsi_io_request(MPTSASState *s, if (scsi_req_enqueue(req->sreq)) { scsi_req_continue(req->sreq); } - return 0; + return; overrun: trace_mptsas_scsi_overflow(s, scsi_io->MsgContext, req->sreq->cmd.xfer, @@ -374,8 +374,6 @@ bad: mptsas_fix_scsi_io_reply_endianness(&reply); mptsas_reply(s, (MPIDefaultReply *)&reply); - - return 0; } typedef struct { @@ -944,7 +942,7 @@ disable: s->diagnostic_idx = 0; } -static int mptsas_hard_reset(MPTSASState *s) +static void mptsas_hard_reset(MPTSASState *s) { mptsas_soft_reset(s); @@ -955,8 +953,6 @@ static int mptsas_hard_reset(MPTSASState *s) s->reply_frame_size = 0; s->max_devices = MPTSAS_NUM_PORTS; s->max_buses = 1; - - return 0; } static void mptsas_interrupt_status_write(MPTSASState *s) diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index b2e2bc3c96..c4b89bc48c 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -20,7 +20,7 @@ static char *scsibus_get_dev_path(DeviceState *dev); static char *scsibus_get_fw_dev_path(DeviceState *dev); static void scsi_req_dequeue(SCSIRequest *req); -static uint8_t *scsi_target_alloc_buf(SCSIRequest *req, size_t len); +static void scsi_target_alloc_buf(SCSIRequest *req, size_t len); static void scsi_target_free_buf(SCSIRequest *req); static int next_scsi_bus; @@ -649,14 +649,12 @@ static uint8_t *scsi_target_get_buf(SCSIRequest *req) return r->buf; } -static uint8_t *scsi_target_alloc_buf(SCSIRequest *req, size_t len) +static void scsi_target_alloc_buf(SCSIRequest *req, size_t len) { SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); r->buf = g_malloc(len); r->buf_len = len; - - return r->buf; } static void scsi_target_free_buf(SCSIRequest *req) diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c index 8748c1ba04..610fbbf8c9 100644 --- a/hw/usb/dev-audio.c +++ b/hw/usb/dev-audio.c @@ -600,15 +600,16 @@ static void streambuf_fini(struct streambuf *buf) buf->data = NULL; } -static int streambuf_put(struct streambuf *buf, USBPacket *p, uint32_t channels) +static void streambuf_put(struct streambuf *buf, USBPacket *p, + uint32_t channels) { int64_t free = buf->size - (buf->prod - buf->cons); if (free < USBAUDIO_PACKET_SIZE(channels)) { - return 0; + return; } if (p->iov.size != USBAUDIO_PACKET_SIZE(channels)) { - return 0; + return; } /* can happen if prod overflows */ @@ -616,7 +617,6 @@ static int streambuf_put(struct streambuf *buf, USBPacket *p, uint32_t channels) usb_packet_copy(p, buf->data + (buf->prod % buf->size), USBAUDIO_PACKET_SIZE(channels)); buf->prod += USBAUDIO_PACKET_SIZE(channels); - return USBAUDIO_PACKET_SIZE(channels); } static uint8_t *streambuf_get(struct streambuf *buf, size_t *len) @@ -681,7 +681,7 @@ static void output_callback(void *opaque, int avail) } } -static int usb_audio_set_output_altset(USBAudioState *s, int altset) +static void usb_audio_set_output_altset(USBAudioState *s, int altset) { switch (altset) { case ALTSET_OFF: @@ -697,14 +697,13 @@ static int usb_audio_set_output_altset(USBAudioState *s, int altset) AUD_set_active_out(s->out.voice, true); break; default: - return -1; + return; } if (s->debug) { fprintf(stderr, "usb-audio: set interface %d\n", altset); } s->out.altset = altset; - return 0; } /* diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index d4da8dcb8d..8e3766e579 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -392,7 +392,7 @@ static inline int get_dwords(EHCIState *ehci, uint32_t addr, } /* Put an array of dwords in to main memory */ -static inline int put_dwords(EHCIState *ehci, uint32_t addr, +static inline void put_dwords(EHCIState *ehci, uint32_t addr, uint32_t *buf, int num) { int i; @@ -401,7 +401,7 @@ static inline int put_dwords(EHCIState *ehci, uint32_t addr, ehci_raise_irq(ehci, USBSTS_HSE); ehci->usbcmd &= ~USBCMD_RUNSTOP; trace_usb_ehci_dma_error(); - return -1; + return; } for (i = 0; i < num; i++, buf++, addr += sizeof(*buf)) { @@ -409,8 +409,6 @@ static inline int put_dwords(EHCIState *ehci, uint32_t addr, dma_memory_write(ehci->as, addr, &tmp, sizeof(tmp), MEMTXATTRS_UNSPECIFIED); } - - return num; } static int ehci_get_pid(EHCIqtd *qtd) diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index 895b29fb86..1eaba710f1 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -1226,7 +1226,7 @@ static void ohci_frame_boundary(void *opaque) /* Start sending SOF tokens across the USB bus, lists are processed in * next frame */ -static int ohci_bus_start(OHCIState *ohci) +static void ohci_bus_start(OHCIState *ohci) { trace_usb_ohci_start(ohci->name); @@ -1237,8 +1237,6 @@ static int ohci_bus_start(OHCIState *ohci) ohci->sof_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); ohci_eof_timer(ohci); - - return 1; } /* Stop sending SOF tokens on the bus */ diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 296cc6c8e6..f8b5f458d5 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -304,8 +304,8 @@ typedef struct XHCIEvRingSeg { static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid, unsigned int streamid); static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid); -static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, - unsigned int epid); +static void xhci_disable_ep(XHCIState *xhci, unsigned int slotid, + unsigned int epid); static void xhci_xfer_report(XHCITransfer *xfer); static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v); static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v); @@ -1215,8 +1215,8 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, return killed; } -static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, - unsigned int epid) +static void xhci_disable_ep(XHCIState *xhci, unsigned int slotid, + unsigned int epid) { XHCISlot *slot; XHCIEPContext *epctx; @@ -1229,7 +1229,7 @@ static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, if (!slot->eps[epid-1]) { DPRINTF("xhci: slot %d ep %d already disabled\n", slotid, epid); - return CC_SUCCESS; + return; } xhci_ep_nuke_xfers(xhci, slotid, epid, 0); @@ -1248,8 +1248,6 @@ static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, timer_free(epctx->kick_timer); g_free(epctx); slot->eps[epid-1] = NULL; - - return CC_SUCCESS; } static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, @@ -1390,7 +1388,7 @@ static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, return CC_SUCCESS; } -static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) +static void xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) { XHCIState *xhci = xfer->epctx->xhci; int i; @@ -1430,12 +1428,11 @@ static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer) } } - return 0; + return; err: qemu_sglist_destroy(&xfer->sgl); xhci_die(xhci); - return -1; } static void xhci_xfer_unmap(XHCITransfer *xfer) @@ -1580,20 +1577,20 @@ static int xhci_setup_packet(XHCITransfer *xfer) return 0; } -static int xhci_try_complete_packet(XHCITransfer *xfer) +static void xhci_try_complete_packet(XHCITransfer *xfer) { if (xfer->packet.status == USB_RET_ASYNC) { trace_usb_xhci_xfer_async(xfer); xfer->running_async = 1; xfer->running_retry = 0; xfer->complete = 0; - return 0; + return; } else if (xfer->packet.status == USB_RET_NAK) { trace_usb_xhci_xfer_nak(xfer); xfer->running_async = 0; xfer->running_retry = 1; xfer->complete = 0; - return 0; + return; } else { xfer->running_async = 0; xfer->running_retry = 0; @@ -1605,7 +1602,7 @@ static int xhci_try_complete_packet(XHCITransfer *xfer) trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length); xfer->status = CC_SUCCESS; xhci_xfer_report(xfer); - return 0; + return; } /* error */ @@ -1632,10 +1629,9 @@ static int xhci_try_complete_packet(XHCITransfer *xfer) xfer->packet.status); FIXME("unhandled USB_RET_*"); } - return 0; } -static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) +static void xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) { XHCITRB *trb_setup, *trb_status; uint8_t bmRequestType; @@ -1655,21 +1651,21 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) if (TRB_TYPE(*trb_setup) != TR_SETUP) { DPRINTF("xhci: ep0 first TD not SETUP: %d\n", TRB_TYPE(*trb_setup)); - return -1; + return; } if (TRB_TYPE(*trb_status) != TR_STATUS) { DPRINTF("xhci: ep0 last TD not STATUS: %d\n", TRB_TYPE(*trb_status)); - return -1; + return; } if (!(trb_setup->control & TRB_TR_IDT)) { DPRINTF("xhci: Setup TRB doesn't have IDT set\n"); - return -1; + return; } if ((trb_setup->status & 0x1ffff) != 8) { DPRINTF("xhci: Setup TRB has bad length (%d)\n", (trb_setup->status & 0x1ffff)); - return -1; + return; } bmRequestType = trb_setup->parameter; @@ -1679,13 +1675,12 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer) xfer->timed_xfer = false; if (xhci_setup_packet(xfer) < 0) { - return -1; + return; } xfer->packet.parameter = trb_setup->parameter; usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); xhci_try_complete_packet(xfer); - return 0; } static void xhci_calc_intr_kick(XHCIState *xhci, XHCITransfer *xfer, @@ -1736,7 +1731,8 @@ static void xhci_check_intr_iso_kick(XHCIState *xhci, XHCITransfer *xfer, } -static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) +static void xhci_submit(XHCIState *xhci, XHCITransfer *xfer, + XHCIEPContext *epctx) { uint64_t mfindex; @@ -1754,7 +1750,7 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx xhci_calc_intr_kick(xhci, xfer, epctx, mfindex); xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); if (xfer->running_retry) { - return -1; + return; } break; case ET_BULK_OUT: @@ -1772,27 +1768,27 @@ static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx xhci_calc_iso_kick(xhci, xfer, epctx, mfindex); xhci_check_intr_iso_kick(xhci, xfer, epctx, mfindex); if (xfer->running_retry) { - return -1; + return; } break; default: trace_usb_xhci_unimplemented("endpoint type", epctx->type); - return -1; + return; } if (xhci_setup_packet(xfer) < 0) { - return -1; + return; } usb_handle_packet(xfer->packet.ep->dev, &xfer->packet); xhci_try_complete_packet(xfer); - return 0; } -static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx) +static void xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, + XHCIEPContext *epctx) { trace_usb_xhci_xfer_start(xfer, xfer->epctx->slotid, xfer->epctx->epid, xfer->streamid); - return xhci_submit(xhci, xfer, epctx); + xhci_submit(xhci, xfer, epctx); } static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, diff --git a/hw/vfio/common.c b/hw/vfio/common.c index ace9562a9b..3f823bbe42 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1390,8 +1390,8 @@ static int vfio_ram_discard_get_dirty_bitmap(MemoryRegionSection *section, return vfio_get_dirty_bitmap(vrdl->container, iova, size, ram_addr); } -static int vfio_sync_ram_discard_listener_dirty_bitmap(VFIOContainer *container, - MemoryRegionSection *section) +static void vfio_sync_ram_discard_listener_dirty_bitmap( + VFIOContainer *container, MemoryRegionSection *section) { RamDiscardManager *rdm = memory_region_get_ram_discard_manager(section->mr); VFIORamDiscardListener *vrdl = NULL; @@ -1412,13 +1412,13 @@ static int vfio_sync_ram_discard_listener_dirty_bitmap(VFIOContainer *container, * We only want/can synchronize the bitmap for actually mapped parts - * which correspond to populated parts. Replay all populated parts. */ - return ram_discard_manager_replay_populated(rdm, section, - vfio_ram_discard_get_dirty_bitmap, - &vrdl); + ram_discard_manager_replay_populated(rdm, section, + vfio_ram_discard_get_dirty_bitmap, + &vrdl); } -static int vfio_sync_dirty_bitmap(VFIOContainer *container, - MemoryRegionSection *section) +static void vfio_sync_dirty_bitmap(VFIOContainer *container, + MemoryRegionSection *section) { ram_addr_t ram_addr; @@ -1447,15 +1447,16 @@ static int vfio_sync_dirty_bitmap(VFIOContainer *container, break; } } - return 0; + return; } else if (memory_region_has_ram_discard_manager(section->mr)) { - return vfio_sync_ram_discard_listener_dirty_bitmap(container, section); + vfio_sync_ram_discard_listener_dirty_bitmap(container, section); + return; } ram_addr = memory_region_get_ram_addr(section->mr) + section->offset_within_region; - return vfio_get_dirty_bitmap(container, + vfio_get_dirty_bitmap(container, REAL_HOST_PAGE_ALIGN(section->offset_within_address_space), int128_get64(section->size), ram_addr); } diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 3ff9ce3501..9321d5f7c5 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -730,7 +730,7 @@ static int vhost_vdpa_get_vq_index(struct vhost_dev *dev, int idx) return idx; } -static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev) +static void vhost_vdpa_set_vring_ready(struct vhost_dev *dev) { int i; trace_vhost_vdpa_set_vring_ready(dev); @@ -741,7 +741,6 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev) }; vhost_vdpa_call(dev, VHOST_VDPA_SET_VRING_ENABLE, &state); } - return 0; } static void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config, diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 0827d631c0..f305f5988d 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -106,17 +106,17 @@ static void vhost_dev_sync_region(struct vhost_dev *dev, } } -static int vhost_sync_dirty_bitmap(struct vhost_dev *dev, - MemoryRegionSection *section, - hwaddr first, - hwaddr last) +static void vhost_sync_dirty_bitmap(struct vhost_dev *dev, + MemoryRegionSection *section, + hwaddr first, + hwaddr last) { int i; hwaddr start_addr; hwaddr end_addr; if (!dev->log_enabled || !dev->started) { - return 0; + return; } start_addr = section->offset_within_address_space; end_addr = range_get_last(start_addr, int128_get64(section->size)); @@ -140,7 +140,6 @@ static int vhost_sync_dirty_bitmap(struct vhost_dev *dev, vhost_dev_sync_region(dev, section, start_addr, end_addr, vq->used_phys, range_get_last(vq->used_phys, vq->used_size)); } - return 0; } static void vhost_log_sync(MemoryListener *listener, diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 62e07ec2e4..03dd3a623e 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -98,7 +98,7 @@ unlock: } /* Return whether the device is using IOMMU translation. */ -static bool virtio_iommu_switch_address_space(IOMMUDevice *sdev) +static void virtio_iommu_switch_address_space(IOMMUDevice *sdev) { bool use_remapping; @@ -119,8 +119,6 @@ static bool virtio_iommu_switch_address_space(IOMMUDevice *sdev) memory_region_set_enabled(MEMORY_REGION(&sdev->iommu_mr), false); memory_region_set_enabled(&sdev->bypass_mr, true); } - - return use_remapping; } static void virtio_iommu_switch_address_space_all(VirtIOIOMMU *s) diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c index 30d03e987a..413212cafe 100644 --- a/hw/virtio/virtio-mem.c +++ b/hw/virtio/virtio-mem.c @@ -258,10 +258,10 @@ static int virtio_mem_for_each_plugged_section(const VirtIOMEM *vmem, return ret; } -static int virtio_mem_for_each_unplugged_section(const VirtIOMEM *vmem, - MemoryRegionSection *s, - void *arg, - virtio_mem_section_cb cb) +static void virtio_mem_for_each_unplugged_section(const VirtIOMEM *vmem, + MemoryRegionSection *s, + void *arg, + virtio_mem_section_cb cb) { unsigned long first_bit, last_bit; uint64_t offset, size; @@ -287,7 +287,6 @@ static int virtio_mem_for_each_unplugged_section(const VirtIOMEM *vmem, first_bit = find_next_zero_bit(vmem->bitmap, vmem->bitmap_size, last_bit + 2); } - return ret; } static int virtio_mem_notify_populate_cb(MemoryRegionSection *s, void *arg) diff --git a/io/channel-command.c b/io/channel-command.c index 9f2f4a1793..59f3c144f6 100644 --- a/io/channel-command.c +++ b/io/channel-command.c @@ -172,8 +172,8 @@ qio_channel_command_new_spawn(const char *const argv[], #endif /* WIN32 */ #ifndef WIN32 -static int qio_channel_command_abort(QIOChannelCommand *ioc, - Error **errp) +static void qio_channel_command_abort(QIOChannelCommand *ioc, + Error **errp) { pid_t ret; int status; @@ -193,7 +193,7 @@ static int qio_channel_command_abort(QIOChannelCommand *ioc, error_setg_errno(errp, errno, "Cannot wait on pid %llu", (unsigned long long)ioc->pid); - return -1; + return; } } else if (ret == 0) { if (step == 0) { @@ -204,14 +204,12 @@ static int qio_channel_command_abort(QIOChannelCommand *ioc, error_setg(errp, "Process %llu refused to die", (unsigned long long)ioc->pid); - return -1; + return; } step++; usleep(10 * 1000); goto rewait; } - - return 0; } #endif /* ! WIN32 */ diff --git a/migration/migration.c b/migration/migration.c index e03f698a3c..4698080f96 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -175,7 +175,7 @@ static MigrationIncomingState *current_incoming; static GSList *migration_blockers; -static bool migration_object_check(MigrationState *ms, Error **errp); +static void migration_object_check(MigrationState *ms, Error **errp); static int migration_maybe_pause(MigrationState *s, int *current_active_state, int new_state); @@ -4485,15 +4485,15 @@ static void migration_instance_init(Object *obj) * Return true if check pass, false otherwise. Error will be put * inside errp if provided. */ -static bool migration_object_check(MigrationState *ms, Error **errp) +static void migration_object_check(MigrationState *ms, Error **errp) { MigrationCapabilityStatusList *head = NULL; /* Assuming all off */ - bool cap_list[MIGRATION_CAPABILITY__MAX] = { 0 }, ret; + bool cap_list[MIGRATION_CAPABILITY__MAX] = { 0 }; int i; if (!migrate_params_check(&ms->parameters, errp)) { - return false; + return; } for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { @@ -4502,12 +4502,10 @@ static bool migration_object_check(MigrationState *ms, Error **errp) } } - ret = migrate_caps_check(cap_list, head, errp); + migrate_caps_check(cap_list, head, errp); /* It works with head == NULL */ qapi_free_MigrationCapabilityStatusList(head); - - return ret; } static const TypeInfo migration_type = { diff --git a/net/dump.c b/net/dump.c index 6a63b15359..6fde1501a9 100644 --- a/net/dump.c +++ b/net/dump.c @@ -61,7 +61,7 @@ struct pcap_sf_pkthdr { uint32_t len; }; -static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt) +static void dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt) { struct pcap_sf_pkthdr hdr; int64_t ts; @@ -71,7 +71,7 @@ static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt) /* Early return in case of previous error. */ if (s->fd < 0) { - return size; + return; } ts = qemu_clock_get_us(QEMU_CLOCK_VIRTUAL); @@ -91,8 +91,6 @@ static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt) close(s->fd); s->fd = -1; } - - return size; } static void dump_cleanup(DumpState *s) @@ -101,8 +99,8 @@ static void dump_cleanup(DumpState *s) s->fd = -1; } -static int net_dump_state_init(DumpState *s, const char *filename, - int len, Error **errp) +static void net_dump_state_init(DumpState *s, const char *filename, + int len, Error **errp) { struct pcap_file_hdr hdr; struct tm tm; @@ -111,7 +109,7 @@ static int net_dump_state_init(DumpState *s, const char *filename, fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY | O_BINARY, 0644); if (fd < 0) { error_setg_errno(errp, errno, "net dump: can't open %s", filename); - return -1; + return; } hdr.magic = PCAP_MAGIC; @@ -125,7 +123,7 @@ static int net_dump_state_init(DumpState *s, const char *filename, if (write(fd, &hdr, sizeof(hdr)) < sizeof(hdr)) { error_setg_errno(errp, errno, "net dump write error"); close(fd); - return -1; + return; } s->fd = fd; @@ -133,8 +131,6 @@ static int net_dump_state_init(DumpState *s, const char *filename, qemu_get_timedate(&tm, 0); s->start_ts = mktime(&tm); - - return 0; } #define TYPE_FILTER_DUMP "filter-dump" diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 6abad276a6..11e4f64a31 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -506,12 +506,10 @@ static NetClientState *net_vhost_vdpa_init(NetClientState *peer, return nc; } -static int vhost_vdpa_get_iova_range(int fd, - struct vhost_vdpa_iova_range *iova_range) +static void vhost_vdpa_get_iova_range(int fd, + struct vhost_vdpa_iova_range *iova_range) { - int ret = ioctl(fd, VHOST_VDPA_GET_IOVA_RANGE, iova_range); - - return ret < 0 ? -errno : 0; + ioctl(fd, VHOST_VDPA_GET_IOVA_RANGE, iova_range); } static int vhost_vdpa_get_features(int fd, uint64_t *features, Error **errp) diff --git a/qemu-img.c b/qemu-img.c index 7d4b33b3da..d90ad1d298 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -289,16 +289,14 @@ static QemuOptsList qemu_source_opts = { }, }; -static int G_GNUC_PRINTF(2, 3) qprintf(bool quiet, const char *fmt, ...) +static void G_GNUC_PRINTF(2, 3) qprintf(bool quiet, const char *fmt, ...) { - int ret = 0; if (!quiet) { va_list args; va_start(args, fmt); - ret = vprintf(fmt, args); + vprintf(fmt, args); va_end(args); } - return ret; } diff --git a/qga/commands-posix-ssh.c b/qga/commands-posix-ssh.c index f3a580b8cc..ddabc33502 100644 --- a/qga/commands-posix-ssh.c +++ b/qga/commands-posix-ssh.c @@ -111,7 +111,7 @@ check_openssh_pub_keys(strList *keys, size_t *nkeys, Error **errp) return true; } -static bool +static void write_authkeys(const char *path, const GStrv keys, const struct passwd *p, Error **errp) { @@ -121,22 +121,20 @@ write_authkeys(const char *path, const GStrv keys, contents = g_strjoinv("\n", keys); if (!g_file_set_contents(path, contents, -1, &err)) { error_setg(errp, "failed to write to '%s': %s", path, err->message); - return false; + return; } if (chown(path, p->pw_uid, p->pw_gid) == -1) { error_setg(errp, "failed to set ownership of directory '%s': %s", path, g_strerror(errno)); - return false; + return; } if (chmod(path, 0600) == -1) { error_setg(errp, "failed to set permissions of '%s': %s", path, g_strerror(errno)); - return false; + return; } - - return true; } static GStrv diff --git a/softmmu/physmem.c b/softmmu/physmem.c index dc3c3e5f2e..ef7d724a77 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -1158,8 +1158,8 @@ hwaddr memory_region_section_get_iotlb(CPUState *cpu, return section - d->map.sections; } -static int subpage_register(subpage_t *mmio, uint32_t start, uint32_t end, - uint16_t section); +static void subpage_register(subpage_t *mmio, uint32_t start, uint32_t end, + uint16_t section); static subpage_t *subpage_init(FlatView *fv, hwaddr base); static uint16_t phys_section_add(PhysPageMap *map, @@ -1823,14 +1823,14 @@ size_t qemu_ram_pagesize_largest(void) return largest; } -static int memory_try_enable_merging(void *addr, size_t len) +static void memory_try_enable_merging(void *addr, size_t len) { if (!machine_mem_merge(current_machine)) { /* disabled by the user */ - return 0; + return; } - return qemu_madvise(addr, len, QEMU_MADV_MERGEABLE); + qemu_madvise(addr, len, QEMU_MADV_MERGEABLE); } /* @@ -2526,13 +2526,13 @@ static const MemoryRegionOps subpage_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static int subpage_register(subpage_t *mmio, uint32_t start, uint32_t end, - uint16_t section) +static void subpage_register(subpage_t *mmio, uint32_t start, uint32_t end, + uint16_t section) { int idx, eidx; if (start >= TARGET_PAGE_SIZE || end >= TARGET_PAGE_SIZE) - return -1; + return; idx = SUBPAGE_IDX(start); eidx = SUBPAGE_IDX(end); #if defined(DEBUG_SUBPAGE) @@ -2542,8 +2542,6 @@ static int subpage_register(subpage_t *mmio, uint32_t start, uint32_t end, for (; idx <= eidx; idx++) { mmio->sub_section[idx] = section; } - - return 0; } static subpage_t *subpage_init(FlatView *fv, hwaddr base) diff --git a/softmmu/qtest.c b/softmmu/qtest.c index f8acef2628..d0c1c72292 100644 --- a/softmmu/qtest.c +++ b/softmmu/qtest.c @@ -875,7 +875,7 @@ void qtest_server_init(const char *qtest_chrdev, const char *qtest_log, Error ** object_unref(qtest); } -static bool qtest_server_start(QTest *q, Error **errp) +static void qtest_server_start(QTest *q, Error **errp) { Chardev *chr = q->chr; const char *qtest_log = q->log; @@ -889,7 +889,7 @@ static bool qtest_server_start(QTest *q, Error **errp) } if (!qemu_chr_fe_init(&q->qtest_chr, chr, errp)) { - return false; + return; } qemu_chr_fe_set_handlers(&q->qtest_chr, qtest_can_read, qtest_read, qtest_event, NULL, &q->qtest_chr, NULL, true); @@ -901,7 +901,6 @@ static bool qtest_server_start(QTest *q, Error **errp) qtest_server_set_send_handler(qtest_server_char_be_send, &q->qtest_chr); } qtest = q; - return true; } void qtest_server_set_send_handler(void (*send)(void*, const char*), diff --git a/subprojects/libvduse/libvduse.c b/subprojects/libvduse/libvduse.c index 9a2bcec282..a61552758c 100644 --- a/subprojects/libvduse/libvduse.c +++ b/subprojects/libvduse/libvduse.c @@ -278,33 +278,27 @@ static int vduse_queue_check_inflights(VduseVirtq *vq) return 0; } -static int vduse_queue_inflight_get(VduseVirtq *vq, int desc_idx) +static void vduse_queue_inflight_get(VduseVirtq *vq, int desc_idx) { vq->log->inflight.desc[desc_idx].counter = vq->counter++; barrier(); vq->log->inflight.desc[desc_idx].inflight = 1; - - return 0; } -static int vduse_queue_inflight_pre_put(VduseVirtq *vq, int desc_idx) +static void vduse_queue_inflight_pre_put(VduseVirtq *vq, int desc_idx) { vq->log->inflight.last_batch_head = desc_idx; - - return 0; } -static int vduse_queue_inflight_post_put(VduseVirtq *vq, int desc_idx) +static void vduse_queue_inflight_post_put(VduseVirtq *vq, int desc_idx) { vq->log->inflight.desc[desc_idx].inflight = 0; barrier(); vq->log->inflight.used_idx = vq->used_idx; - - return 0; } static void vduse_iova_remove_region(VduseDev *dev, uint64_t start, diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c index ffed4729a3..f3cea908b5 100644 --- a/subprojects/libvhost-user/libvhost-user.c +++ b/subprojects/libvhost-user/libvhost-user.c @@ -2632,48 +2632,44 @@ vu_queue_map_desc(VuDev *dev, VuVirtq *vq, unsigned int idx, size_t sz) return elem; } -static int +static void vu_queue_inflight_get(VuDev *dev, VuVirtq *vq, int desc_idx) { if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) { - return 0; + return; } if (unlikely(!vq->inflight)) { - return -1; + return; } vq->inflight->desc[desc_idx].counter = vq->counter++; vq->inflight->desc[desc_idx].inflight = 1; - - return 0; } -static int +static void vu_queue_inflight_pre_put(VuDev *dev, VuVirtq *vq, int desc_idx) { if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) { - return 0; + return; } if (unlikely(!vq->inflight)) { - return -1; + return; } vq->inflight->last_batch_head = desc_idx; - - return 0; } -static int +static void vu_queue_inflight_post_put(VuDev *dev, VuVirtq *vq, int desc_idx) { if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) { - return 0; + return; } if (unlikely(!vq->inflight)) { - return -1; + return; } barrier(); @@ -2683,8 +2679,6 @@ vu_queue_inflight_post_put(VuDev *dev, VuVirtq *vq, int desc_idx) barrier(); vq->inflight->used_idx = vq->used_idx; - - return 0; } void * diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c index 10f8aba86e..4866a24858 100644 --- a/target/i386/host-cpu.c +++ b/target/i386/host-cpu.c @@ -114,7 +114,7 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp) * The function does NOT add a null terminator to the string * automatically. */ -static int host_cpu_fill_model_id(char *str) +static void host_cpu_fill_model_id(char *str) { uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; int i; @@ -126,7 +126,6 @@ static int host_cpu_fill_model_id(char *str) memcpy(str + i * 16 + 8, &ecx, 4); memcpy(str + i * 16 + 12, &edx, 4); } - return 0; } void host_cpu_vendor_fms(char *vendor, int *family, int *model, int *stepping) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index f148a6d52f..a2504f1a8b 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -208,7 +208,7 @@ bool kvm_hv_vpindex_settable(void) return hv_vpindex_settable; } -static int kvm_get_tsc(CPUState *cs) +static void kvm_get_tsc(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); CPUX86State *env = &cpu->env; @@ -216,18 +216,17 @@ static int kvm_get_tsc(CPUState *cs) int ret; if (env->tsc_valid) { - return 0; + return; } env->tsc_valid = !runstate_is_running(); ret = kvm_get_one_msr(cpu, MSR_IA32_TSC, &value); if (ret < 0) { - return ret; + return; } env->tsc = value; - return 0; } static inline void do_kvm_synchronize_tsc(CPUState *cpu, run_on_cpu_data arg) @@ -2212,16 +2211,16 @@ void kvm_arch_do_init_vcpu(X86CPU *cpu) } } -static int kvm_get_supported_feature_msrs(KVMState *s) +static void kvm_get_supported_feature_msrs(KVMState *s) { int ret = 0; if (kvm_feature_msrs != NULL) { - return 0; + return; } if (!kvm_check_extension(s, KVM_CAP_GET_MSR_FEATURES)) { - return 0; + return; } struct kvm_msr_list msr_list; @@ -2231,7 +2230,7 @@ static int kvm_get_supported_feature_msrs(KVMState *s) if (ret < 0 && ret != -E2BIG) { error_report("Fetch KVM feature MSR list failed: %s", strerror(-ret)); - return ret; + return; } assert(msr_list.nmsrs > 0); @@ -2247,10 +2246,8 @@ static int kvm_get_supported_feature_msrs(KVMState *s) strerror(-ret)); g_free(kvm_feature_msrs); kvm_feature_msrs = NULL; - return ret; + return; } - - return 0; } static int kvm_get_supported_msrs(KVMState *s) diff --git a/tcg/optimize.c b/tcg/optimize.c index ae081ab29c..b04b2b79a6 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1200,7 +1200,7 @@ static bool fold_bswap(OptContext *ctx, TCGOp *op) return fold_masks(ctx, op); } -static bool fold_call(OptContext *ctx, TCGOp *op) +static void fold_call(OptContext *ctx, TCGOp *op) { TCGContext *s = ctx->tcg; int nb_oargs = TCGOP_CALLO(op); @@ -1229,7 +1229,6 @@ static bool fold_call(OptContext *ctx, TCGOp *op) /* Stop optimizing MB across calls. */ ctx->prev_mb = NULL; - return true; } static bool fold_count_zeros(OptContext *ctx, TCGOp *op) diff --git a/tests/qtest/libqos/malloc.c b/tests/qtest/libqos/malloc.c index f0c8f950c8..816e8dfa9c 100644 --- a/tests/qtest/libqos/malloc.c +++ b/tests/qtest/libqos/malloc.c @@ -52,7 +52,7 @@ static MemBlock *mlist_find_space(MemList *head, uint64_t size) return NULL; } -static MemBlock *mlist_sort_insert(MemList *head, MemBlock *insr) +static void mlist_sort_insert(MemList *head, MemBlock *insr) { MemBlock *node; g_assert(head && insr); @@ -60,12 +60,11 @@ static MemBlock *mlist_sort_insert(MemList *head, MemBlock *insr) QTAILQ_FOREACH(node, head, MLIST_ENTNAME) { if (insr->addr < node->addr) { QTAILQ_INSERT_BEFORE(node, insr, MLIST_ENTNAME); - return insr; + return; } } QTAILQ_INSERT_TAIL(head, insr, MLIST_ENTNAME); - return insr; } static inline uint64_t mlist_boundary(MemBlock *node) diff --git a/tests/qtest/libqos/qgraph.c b/tests/qtest/libqos/qgraph.c index 0a2dddfafa..a270ffea00 100644 --- a/tests/qtest/libqos/qgraph.c +++ b/tests/qtest/libqos/qgraph.c @@ -349,7 +349,7 @@ static QOSStackElement *qos_tos(void) } /* qos_pop(): pops an element from the tos, setting it unvisited*/ -static QOSStackElement *qos_pop(void) +static void qos_pop(void) { if (qos_node_tos == 0) { g_printerr("QOSStack: empty stack, cannot pop"); @@ -358,7 +358,6 @@ static QOSStackElement *qos_pop(void) QOSStackElement *e = qos_tos(); e->node->visited = false; qos_node_tos--; - return e; } /** diff --git a/tests/qtest/test-x86-cpuid-compat.c b/tests/qtest/test-x86-cpuid-compat.c index b39c9055b3..cde4416a31 100644 --- a/tests/qtest/test-x86-cpuid-compat.c +++ b/tests/qtest/test-x86-cpuid-compat.c @@ -149,10 +149,9 @@ static void test_feature_flag(const void *data) * either "feature-words" or "filtered-features", when running QEMU * using cmdline */ -static FeatureTestArgs *add_feature_test(const char *name, const char *cmdline, - uint32_t eax, uint32_t ecx, - const char *reg, int bitnr, - bool expected_value) +static void add_feature_test(const char *name, const char *cmdline, + uint32_t eax, uint32_t ecx, const char *reg, + int bitnr, bool expected_value) { FeatureTestArgs *args = g_new0(FeatureTestArgs, 1); args->cmdline = cmdline; @@ -162,7 +161,6 @@ static FeatureTestArgs *add_feature_test(const char *name, const char *cmdline, args->bitnr = bitnr; args->expected_value = expected_value; qtest_add_data_func(name, args, test_feature_flag); - return args; } static void test_plus_minus_subprocess(void) diff --git a/tests/qtest/virtio-9p-test.c b/tests/qtest/virtio-9p-test.c index 25305a4cf7..0762d3664c 100644 --- a/tests/qtest/virtio-9p-test.c +++ b/tests/qtest/virtio-9p-test.c @@ -1319,8 +1319,8 @@ static void do_mkdir(QVirtio9P *v9p, const char *path, const char *cname) } /* create a regular file with Tlcreate and return file's fid */ -static uint32_t do_lcreate(QVirtio9P *v9p, const char *path, - const char *cname) +static void do_lcreate(QVirtio9P *v9p, const char *path, + const char *cname) { g_autofree char *name = g_strdup(cname); uint32_t fid; @@ -1331,8 +1331,6 @@ static uint32_t do_lcreate(QVirtio9P *v9p, const char *path, req = v9fs_tlcreate(v9p, fid, name, 0, 0750, 0, 0); v9fs_req_wait_for_reply(req, NULL); v9fs_rlcreate(req, NULL, NULL); - - return fid; } /* create symlink named @a clink in directory @a path pointing to @a to */ diff --git a/tests/unit/test-aio-multithread.c b/tests/unit/test-aio-multithread.c index a555cc8835..02a778f5ea 100644 --- a/tests/unit/test-aio-multithread.c +++ b/tests/unit/test-aio-multithread.c @@ -114,14 +114,14 @@ static int count_retry; static int count_here; static int count_other; -static bool schedule_next(int n) +static void schedule_next(int n) { Coroutine *co; co = qatomic_xchg(&to_schedule[n], NULL); if (!co) { qatomic_inc(&count_retry); - return false; + return; } if (n == id) { @@ -131,7 +131,6 @@ static bool schedule_next(int n) } aio_co_schedule(ctx[n], co); - return true; } static void finish_cb(void *opaque) diff --git a/tests/vhost-user-bridge.c b/tests/vhost-user-bridge.c index 9b1dab2f28..89784f2791 100644 --- a/tests/vhost-user-bridge.c +++ b/tests/vhost-user-bridge.c @@ -85,22 +85,21 @@ vubr_die(const char *s) exit(1); } -static int +static void dispatcher_init(Dispatcher *dispr) { FD_ZERO(&dispr->fdset); dispr->max_sock = -1; - return 0; } -static int +static void dispatcher_add(Dispatcher *dispr, int sock, void *ctx, CallbackFunc cb) { if (sock >= FD_SETSIZE) { fprintf(stderr, "Error: Failed to add new event. sock %d should be less than %d\n", sock, FD_SETSIZE); - return -1; + return; } dispr->events[sock].ctx = ctx; @@ -112,26 +111,24 @@ dispatcher_add(Dispatcher *dispr, int sock, void *ctx, CallbackFunc cb) } DPRINT("Added sock %d for watching. max_sock: %d\n", sock, dispr->max_sock); - return 0; } -static int +static void dispatcher_remove(Dispatcher *dispr, int sock) { if (sock >= FD_SETSIZE) { fprintf(stderr, "Error: Failed to remove event. sock %d should be less than %d\n", sock, FD_SETSIZE); - return -1; + return; } FD_CLR(sock, &dispr->fdset); DPRINT("Sock %d removed from dispatcher watch.\n", sock); - return 0; } /* timeout in us */ -static int +static void dispatcher_wait(Dispatcher *dispr, uint32_t timeout) { struct timeval tv; @@ -149,7 +146,7 @@ dispatcher_wait(Dispatcher *dispr, uint32_t timeout) /* Timeout */ if (rc == 0) { - return 0; + return; } /* Now call callback for every ready socket. */ @@ -165,8 +162,6 @@ dispatcher_wait(Dispatcher *dispr, uint32_t timeout) e->callback(sock, e->ctx); } } - - return 0; } static void diff --git a/ui/vnc.c b/ui/vnc.c index 6a05d06147..03c9d10423 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -68,7 +68,7 @@ static const struct timeval VNC_REFRESH_LOSSY = { 2, 0 }; static QTAILQ_HEAD(, VncDisplay) vnc_displays = QTAILQ_HEAD_INITIALIZER(vnc_displays); -static int vnc_cursor_define(VncState *vs); +static void vnc_cursor_define(VncState *vs); static void vnc_update_throttle_offset(VncState *vs); static void vnc_set_share_mode(VncState *vs, VncShareMode mode) @@ -996,13 +996,13 @@ static void vnc_mouse_set(DisplayChangeListener *dcl, /* can we ask the client(s) to move the pointer ??? */ } -static int vnc_cursor_define(VncState *vs) +static void vnc_cursor_define(VncState *vs) { QEMUCursor *c = vs->vd->cursor; int isize; if (!vs->vd->cursor) { - return -1; + return; } if (vnc_has_feature(vs, VNC_FEATURE_ALPHA_CURSOR)) { @@ -1015,9 +1015,7 @@ static int vnc_cursor_define(VncState *vs) vnc_write_s32(vs, VNC_ENCODING_RAW); vnc_write(vs, c->data, c->width * c->height * 4); vnc_unlock_output(vs); - return 0; - } - if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { + } else if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { vnc_lock_output(vs); vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); vnc_write_u8(vs, 0); /* padding */ @@ -1028,9 +1026,7 @@ static int vnc_cursor_define(VncState *vs) vnc_write_pixels_generic(vs, c->data, isize); vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); vnc_unlock_output(vs); - return 0; } - return -1; } static void vnc_dpy_cursor_define(DisplayChangeListener *dcl, @@ -1438,11 +1434,10 @@ size_t vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) * as possible without blocking. If all buffered data is written, * will switch the FD poll() handler back to read monitoring. * - * Returns the number of bytes written, which may be less than - * the buffered output data if the socket would block. Returns - * 0 on I/O error, and disconnects the client socket. + * May write less than the buffered output data if the socket would + * block. On I/O error, disconnects the client socket. */ -static size_t vnc_client_write_plain(VncState *vs) +static void vnc_client_write_plain(VncState *vs) { size_t offset; size_t ret; @@ -1462,7 +1457,7 @@ static size_t vnc_client_write_plain(VncState *vs) #endif /* CONFIG_VNC_SASL */ ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); if (!ret) - return 0; + return; if (ret >= vs->force_update_offset) { if (vs->force_update_offset != 0) { @@ -1487,8 +1482,6 @@ static size_t vnc_client_write_plain(VncState *vs) vs->ioc, G_IO_IN | G_IO_HUP | G_IO_ERR, vnc_client_io, vs, NULL); } - - return ret; } diff --git a/util/aio-posix.c b/util/aio-posix.c index 731f3826c0..bedaf2efae 100644 --- a/util/aio-posix.c +++ b/util/aio-posix.c @@ -403,16 +403,13 @@ static bool aio_dispatch_ready_handlers(AioContext *ctx, } /* Slower than aio_dispatch_ready_handlers() but only used via glib */ -static bool aio_dispatch_handlers(AioContext *ctx) +static void aio_dispatch_handlers(AioContext *ctx) { AioHandler *node, *tmp; - bool progress = false; QLIST_FOREACH_SAFE_RCU(node, &ctx->aio_handlers, node, tmp) { - progress = aio_dispatch_handler(ctx, node) || progress; + aio_dispatch_handler(ctx, node); } - - return progress; } void aio_dispatch(AioContext *ctx) diff --git a/util/uri.c b/util/uri.c index ff72c6005f..7078cff857 100644 --- a/util/uri.c +++ b/util/uri.c @@ -1364,15 +1364,13 @@ void uri_free(URI *uri) * Section 5.2, steps 6.c through 6.g. * * Normalization occurs directly on the string, no new allocation is done - * - * Returns 0 or an error code */ -static int normalize_uri_path(char *path) +static void normalize_uri_path(char *path) { char *cur, *out; if (path == NULL) { - return -1; + return; } /* Skip all initial "/" chars. We want to get to the beginning of the @@ -1383,7 +1381,7 @@ static int normalize_uri_path(char *path) ++cur; } if (cur[0] == '\0') { - return 0; + return; } /* Keep everything we've seen so far. */ @@ -1437,7 +1435,7 @@ done_cd: ++cur; } if (cur[0] == '\0') { - return 0; + return; } /* @@ -1558,8 +1556,6 @@ done_cd: out[0] = 0; } } - - return 0; } static int is_hex(char c) @@ -2213,8 +2209,8 @@ struct QueryParams *query_params_new(int init_alloc) /* Ensure there is space to store at least one more parameter * at the end of the set. */ -static int query_params_append(struct QueryParams *ps, const char *name, - const char *value) +static void query_params_append(struct QueryParams *ps, const char *name, + const char *value) { if (ps->n >= ps->alloc) { ps->p = g_renew(QueryParam, ps->p, ps->alloc * 2); @@ -2225,8 +2221,6 @@ static int query_params_append(struct QueryParams *ps, const char *name, ps->p[ps->n].value = g_strdup(value); ps->p[ps->n].ignore = 0; ps->n++; - - return 0; } void query_params_free(struct QueryParams *ps) -- 2.37.1