CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: Linux Memory Management List <linux...@kvack.org> TO: Mauro Carvalho Chehab <mche...@kernel.org> CC: linux-me...@vger.kernel.org
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d72dda014a4753974eb08950089ddf71fec4f60 commit: bfc08fd88e458b98c7c771e4eeb5df3fd4e42feb [12075/13576] media: platform: rename coda/ to chips-media/ :::::: branch date: 11 hours ago :::::: commit date: 4 days ago config: riscv-randconfig-c006-20220317 (https://download.01.org/0day-ci/archive/20220319/202203190414.bjtxafht-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=bfc08fd88e458b98c7c771e4eeb5df3fd4e42feb git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout bfc08fd88e458b98c7c771e4eeb5df3fd4e42feb # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^~~~~~~~~~ fs/fuse/dev.c:1676:8: note: '?' condition is false num = min(outarg->size, fc->max_write); ^ include/linux/minmax.h:45:19: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ fs/fuse/dev.c:1677:6: note: Assuming 'file_size' is >= field 'offset' if (outarg->offset > file_size) ^~~~~~~~~~~~~~~~~~~~~~~~~~ fs/fuse/dev.c:1677:2: note: Taking false branch if (outarg->offset > file_size) ^ fs/fuse/dev.c:1679:11: note: Assuming the condition is false else if (outarg->offset + num > file_size) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/fuse/dev.c:1679:7: note: Taking false branch else if (outarg->offset + num > file_size) ^ fs/fuse/dev.c:1683:14: note: Assuming '__UNIQUE_ID___x266' is >= '__UNIQUE_ID___y267' num_pages = min(num_pages, fc->max_pages); ^ include/linux/minmax.h:45:19: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ^~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^~~~~~~~~~ fs/fuse/dev.c:1683:14: note: '?' condition is false num_pages = min(num_pages, fc->max_pages); ^ include/linux/minmax.h:45:19: note: expanded from macro 'min' #define min(x, y) __careful_cmp(x, y, <) ^ include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp' __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op)) ^ include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once' __cmp(unique_x, unique_y, op); }) ^ include/linux/minmax.h:28:26: note: expanded from macro '__cmp' #define __cmp(x, y, op) ((x) op (y) ? (x) : (y)) ^ fs/fuse/dev.c:1687:7: note: Calling 'kzalloc' ra = kzalloc(args_size, GFP_KERNEL); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:715:9: note: Uninitialized value stored to field 'num_pages' return kmalloc(size, flags | __GFP_ZERO); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/slab.h:715:2: note: Returning pointer, which participates in a condition later return kmalloc(size, flags | __GFP_ZERO); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/fuse/dev.c:1687:7: note: Returning from 'kzalloc' ra = kzalloc(args_size, GFP_KERNEL); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/fuse/dev.c:1688:6: note: Assuming 'ra' is non-null if (!ra) ^~~ fs/fuse/dev.c:1688:2: note: Taking false branch if (!ra) ^ fs/fuse/dev.c:1704:9: note: Assuming 'num' is not equal to 0 while (num && ap->num_pages < num_pages) { ^~~ fs/fuse/dev.c:1704:9: note: Left side of '&&' is true fs/fuse/dev.c:1704:30: note: The left operand of '<' is a garbage value while (num && ap->num_pages < num_pages) { ~~~~~~~~~~~~~ ^ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 9 warnings generated. >> drivers/media/platform/chips-media/coda-common.c:478:38: warning: Array >> access (from variable 'formats') results in a null pointer dereference >> [clang-analyzer-core.NullDereference] if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~ drivers/media/platform/chips-media/coda-common.c:448:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:448:2: note: Taking true branch if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ^ drivers/media/platform/chips-media/coda-common.c:449:3: note: Null pointer value stored to 'formats' formats = cvd->src_formats; ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:478:6: note: Assuming field 'index' is < CODA_MAX_FORMATS if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:478:6: note: Left side of '||' is false drivers/media/platform/chips-media/coda-common.c:478:38: note: Array access (from variable 'formats') results in a null pointer dereference if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) ^~~~~~~ include/linux/list.h:137:13: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] __list_del(entry->prev, entry->next); ^ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Assuming field 'streamon_out' is not equal to 0 stop = ctx->streamon_out && ctx->streamon_cap; ^~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Left side of '&&' is true drivers/media/platform/chips-media/coda-common.c:2119:2: note: Assuming 'coda_debug' is < 1 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:7: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ ^~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2119:2: note: Taking false branch coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:3: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ ^ drivers/media/platform/chips-media/coda-common.c:2119:2: note: Loop condition is false. Exiting loop coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:299:2: note: expanded from macro 'coda_dbg' do { \ ^ drivers/media/platform/chips-media/coda-common.c:2121:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2121:2: note: Taking true branch if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { ^ drivers/media/platform/chips-media/coda-common.c:2128:3: note: Loop condition is false. Execution continues on line 2140 while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx))) ^ drivers/media/platform/chips-media/coda-common.c:2140:6: note: Assuming 'stop' is true if (stop) { ^~~~ drivers/media/platform/chips-media/coda-common.c:2140:2: note: Taking true branch if (stop) { ^ drivers/media/platform/chips-media/coda-common.c:2143:7: note: Assuming field 'seq_end_work' is null if (ctx->ops->seq_end_work) { ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2143:3: note: Taking false branch if (ctx->ops->seq_end_work) { ^ drivers/media/platform/chips-media/coda-common.c:2148:3: note: Loop condition is true. Entering loop body while (!list_empty(&ctx->buffer_meta_list)) { ^ drivers/media/platform/chips-media/coda-common.c:2152:4: note: Memory is released kfree(meta); ^~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2148:3: note: Loop condition is true. Entering loop body while (!list_empty(&ctx->buffer_meta_list)) { ^ drivers/media/platform/chips-media/coda-common.c:2151:4: note: Calling 'list_del' list_del(&meta->list); ^~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:148:2: note: Calling '__list_del_entry' __list_del_entry(entry); ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:134:6: note: Assuming the condition is false if (!__list_del_entry_valid(entry)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/list.h:134:2: note: Taking false branch if (!__list_del_entry_valid(entry)) ^ include/linux/list.h:137:13: note: Use of memory after it is freed __list_del(entry->prev, entry->next); ^~~~~~~~~~~ include/linux/list.h:149:14: warning: Use of memory after it is freed [clang-analyzer-unix.Malloc] entry->next = LIST_POISON1; ^ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Assuming field 'streamon_out' is not equal to 0 stop = ctx->streamon_out && ctx->streamon_cap; ^~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-common.c:2117:9: note: Left side of '&&' is true drivers/media/platform/chips-media/coda-common.c:2119:2: note: Assuming 'coda_debug' is < 1 coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]); ^ drivers/media/platform/chips-media/coda.h:300:7: note: expanded from macro 'coda_dbg' if (coda_debug >= (level)) \ -- ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:621:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:895:3: warning: Value stored to 'u16tmp' is never read [clang-analyzer-deadcode.DeadStores] u16tmp = 0; ^ ~ drivers/media/dvb-frontends/m88ds3103.c:895:3: note: Value stored to 'u16tmp' is never read u16tmp = 0; ^ ~ drivers/media/dvb-frontends/m88ds3103.c:1141:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1141:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1180:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1180:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1370:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1370:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1416:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1416:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1466:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1466:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1545:21: warning: Value stored to 'client' during its initialization is never read [clang-analyzer-deadcode.DeadStores] struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ drivers/media/dvb-frontends/m88ds3103.c:1545:21: note: Value stored to 'client' during its initialization is never read struct i2c_client *client = dev->client; ^~~~~~ ~~~~~~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 7 warnings generated. drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c:84:3: warning: Value stored to 'length' is never read [clang-analyzer-deadcode.DeadStores] length = 0; ^ ~ drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c:84:3: note: Value stored to 'length' is never read length = 0; ^ ~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 6 warnings generated. Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c:419:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = -EBUSY; ^ ~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c:419:3: note: Value stored to 'ret' is never read ret = -EBUSY; ^ ~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c:429:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = -EBUSY; ^ ~~~~~~ drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c:429:3: note: Value stored to 'ret' is never read ret = -EBUSY; ^ ~~~~~~ Suppressed 6 warnings (6 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 8 warnings generated. >> drivers/media/platform/chips-media/coda-bit.c:1127:2: warning: Value stored >> to 'value' is never read [clang-analyzer-deadcode.DeadStores] value = 0; ^ ~ drivers/media/platform/chips-media/coda-bit.c:1127:2: note: Value stored to 'value' is never read value = 0; ^ ~ include/linux/log2.h:57:13: warning: The result of the left shift is undefined due to shifting by '32', which is greater or equal to the width of type 'unsigned long' [clang-analyzer-core.UndefinedBinaryOperatorResult] return 1UL << fls_long(n - 1); ^ drivers/media/platform/chips-media/coda-bit.c:1794:6: note: Assuming field 'type' is equal to V4L2_BUF_TYPE_VIDEO_OUTPUT if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1794:2: note: Taking false branch if (rb->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) ^ drivers/media/platform/chips-media/coda-bit.c:1797:6: note: Assuming field 'count' is not equal to 0 if (rb->count) { ^~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1797:2: note: Taking true branch if (rb->count) { ^ drivers/media/platform/chips-media/coda-bit.c:1800:7: note: 'ret' is >= 0 if (ret < 0) ^~~ drivers/media/platform/chips-media/coda-bit.c:1800:3: note: Taking false branch if (ret < 0) ^ drivers/media/platform/chips-media/coda-bit.c:1802:9: note: Calling 'coda_alloc_bitstream_buffer' ret = coda_alloc_bitstream_buffer(ctx, q_data_src); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1760:6: note: Assuming field 'vaddr' is null if (ctx->bitstream.vaddr) ^~~~~~~~~~~~~~~~~~~~ drivers/media/platform/chips-media/coda-bit.c:1760:2: note: Taking false branch if (ctx->bitstream.vaddr) ^ drivers/media/platform/chips-media/coda-bit.c:1763:24: note: '?' condition is false ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2); ^ include/linux/log2.h:176:2: note: expanded from macro 'roundup_pow_of_two' __builtin_constant_p(n) ? ( \ ^ drivers/media/platform/chips-media/coda-bit.c:1763:24: note: Calling '__roundup_pow_of_two' ctx->bitstream.size = roundup_pow_of_two(q_data->sizeimage * 2); ^ include/linux/log2.h:180:2: note: expanded from macro 'roundup_pow_of_two' __roundup_pow_of_two(n) \ ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/log2.h:57:16: note: Calling 'fls_long' return 1UL << fls_long(n - 1); ^~~~~~~~~~~~~~~ include/linux/bitops.h:154:2: note: Taking true branch if (sizeof(l) == 4) ^ include/linux/bitops.h:155:10: note: Calling 'fls' return fls(l); ^~~~~~ include/asm-generic/bitops/fls.h:15:2: note: 'r' initialized to 32 int r = 32; ^~~~~ include/asm-generic/bitops/fls.h:17:6: note: Assuming 'x' is not equal to 0, which participates in a condition later if (!x) ^~ include/asm-generic/bitops/fls.h:17:2: note: Taking false branch if (!x) ^ include/asm-generic/bitops/fls.h:19:6: note: Assuming the condition is false if (!(x & 0xffff0000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:19:2: note: Taking false branch if (!(x & 0xffff0000u)) { ^ include/asm-generic/bitops/fls.h:23:6: note: Assuming the condition is false if (!(x & 0xff000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:23:2: note: Taking false branch if (!(x & 0xff000000u)) { ^ include/asm-generic/bitops/fls.h:27:6: note: Assuming the condition is false if (!(x & 0xf0000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:27:2: note: Taking false branch if (!(x & 0xf0000000u)) { ^ include/asm-generic/bitops/fls.h:31:6: note: Assuming the condition is false if (!(x & 0xc0000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:31:2: note: Taking false branch if (!(x & 0xc0000000u)) { ^ include/asm-generic/bitops/fls.h:35:6: note: Assuming the condition is false if (!(x & 0x80000000u)) { ^~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/fls.h:35:2: note: Taking false branch if (!(x & 0x80000000u)) { ^ include/asm-generic/bitops/fls.h:39:2: note: Returning the value 32 (loaded from 'r') return r; ^~~~~~~~ include/linux/bitops.h:155:10: note: Returning from 'fls' return fls(l); vim +/formats +478 drivers/media/platform/chips-media/coda-common.c 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 439 22e244b813ddd9a drivers/media/platform/coda.c Philipp Zabel 2014-07-18 440 static int coda_enum_fmt(struct file *file, void *priv, 22e244b813ddd9a drivers/media/platform/coda.c Philipp Zabel 2014-07-18 441 struct v4l2_fmtdesc *f) 186b250a0725377 drivers/media/video/coda.c Javier Martin 2012-07-26 442 { 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 443 struct video_device *vdev = video_devdata(file); 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 444 const struct coda_video_device *cvd = to_coda_video_device(vdev); 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 445 struct coda_ctx *ctx = fh_to_ctx(priv); 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 446 const u32 *formats; 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 447 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 448 if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 449 formats = cvd->src_formats; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 450 else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 451 struct coda_q_data *q_data_src; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 452 struct vb2_queue *src_vq; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 453 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 454 formats = cvd->dst_formats; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 455 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 456 /* 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 457 * If the source format is already fixed, only allow the same 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 458 * chroma subsampling. 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 459 */ 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 460 q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 461 src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 462 V4L2_BUF_TYPE_VIDEO_OUTPUT); 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 463 if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG && 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 464 vb2_is_streaming(src_vq)) { 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 465 if (ctx->params.jpeg_chroma_subsampling == 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 466 V4L2_JPEG_CHROMA_SUBSAMPLING_420) { 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 467 formats = coda_formats_420; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 468 } else if (ctx->params.jpeg_chroma_subsampling == 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 469 V4L2_JPEG_CHROMA_SUBSAMPLING_422) { 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 470 f->pixelformat = V4L2_PIX_FMT_YUV422P; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 471 return f->index ? -EINVAL : 0; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 472 } 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 473 } 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 474 } else { 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 475 return -EINVAL; 12310819a26aa56 drivers/media/platform/coda/coda-common.c Philipp Zabel 2020-03-18 476 } 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 477 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 @478 if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0) 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 479 return -EINVAL; 186b250a0725377 drivers/media/video/coda.c Javier Martin 2012-07-26 480 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 481 /* Skip YUYV if the vdoa is not available */ 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 482 if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 483 formats[f->index] == V4L2_PIX_FMT_YUYV) 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 484 return -EINVAL; 9d826ce8122fc63 drivers/media/platform/coda/coda-common.c Philipp Zabel 2017-04-06 485 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 486 f->pixelformat = formats[f->index]; 186b250a0725377 drivers/media/video/coda.c Javier Martin 2012-07-26 487 2c11d1bdfc7175c drivers/media/platform/coda/coda-common.c Philipp Zabel 2014-10-02 488 return 0; 186b250a0725377 drivers/media/video/coda.c Javier Martin 2012-07-26 489 } 186b250a0725377 drivers/media/video/coda.c Javier Martin 2012-07-26 490 :::::: The code at line 478 was first introduced by commit :::::: 2c11d1bdfc7175cc75a603e433367caaf038ab69 [media] coda: add coda_video_device descriptors :::::: TO: Philipp Zabel <p.za...@pengutronix.de> :::::: CC: Mauro Carvalho Chehab <mche...@osg.samsung.com> --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
