Retain the function value for now, to permit selective conversion of its callers.
Signed-off-by: Markus Armbruster <arm...@redhat.com> Reviewed-by: Eric Blake <ebl...@redhat.com> Acked-by: Kevin Wolf <kw...@redhat.com> --- block/blkdebug.c | 6 ++-- hw/core/qdev-properties-system.c | 5 +-- include/qemu/option.h | 4 +-- include/ui/console.h | 2 +- net/net.c | 9 ++--- net/vhost-user.c | 4 +-- numa.c | 4 +-- tpm.c | 6 ++-- ui/vnc.c | 2 +- util/qemu-config.c | 4 +-- util/qemu-option.c | 8 +++-- vl.c | 72 ++++++++++++++++++++++++---------------- 12 files changed, 72 insertions(+), 54 deletions(-) diff --git a/block/blkdebug.c b/block/blkdebug.c index 58f5105..be0d273 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -219,7 +219,7 @@ struct add_rule_data { Error **errp; }; -static int add_rule(QemuOpts *opts, void *opaque) +static int add_rule(void *opaque, QemuOpts *opts, Error **errp) { struct add_rule_data *d = opaque; BDRVBlkdebugState *s = d->s; @@ -320,7 +320,7 @@ static int read_config(BDRVBlkdebugState *s, const char *filename, d.s = s; d.action = ACTION_INJECT_ERROR; d.errp = &local_err; - qemu_opts_foreach(&inject_error_opts, add_rule, &d); + qemu_opts_foreach(&inject_error_opts, add_rule, &d, NULL); if (local_err) { error_propagate(errp, local_err); ret = -EINVAL; @@ -328,7 +328,7 @@ static int read_config(BDRVBlkdebugState *s, const char *filename, } d.action = ACTION_SET_STATE; - qemu_opts_foreach(&set_state_opts, add_rule, &d); + qemu_opts_foreach(&set_state_opts, add_rule, &d, NULL); if (local_err) { error_propagate(errp, local_err); ret = -EINVAL; diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 93daeb0..0309fe5 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -389,7 +389,7 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd) nd->instantiated = 1; } -static int qdev_add_one_global(QemuOpts *opts, void *opaque) +static int qdev_add_one_global(void *opaque, QemuOpts *opts, Error **errp) { GlobalProperty *g; @@ -404,5 +404,6 @@ static int qdev_add_one_global(QemuOpts *opts, void *opaque) void qemu_add_globals(void) { - qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL); + qemu_opts_foreach(qemu_find_opts("global"), + qdev_add_one_global, NULL, NULL); } diff --git a/include/qemu/option.h b/include/qemu/option.h index 2edf58f..a3850b2 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -125,9 +125,9 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict); void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp); -typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque); +typedef int (*qemu_opts_loopfunc)(void *opaque, QemuOpts *opts, Error **errp); int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, - void *opaque); + void *opaque, Error **errp); void qemu_opts_print(QemuOpts *opts, const char *sep); void qemu_opts_print_help(QemuOptsList *list); void qemu_opts_free(QemuOptsList *list); diff --git a/include/ui/console.h b/include/ui/console.h index 06e4739..de92523 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -370,7 +370,7 @@ char *vnc_display_local_addr(const char *id); int vnc_display_password(const char *id, const char *password); int vnc_display_pw_expire(const char *id, time_t expires); QemuOpts *vnc_parse_func(const char *str); -int vnc_init_func(QemuOpts *opts, void *opaque); +int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp); #else static inline int vnc_display_password(const char *id, const char *password) { diff --git a/net/net.c b/net/net.c index 011de59..25c2ef3 100644 --- a/net/net.c +++ b/net/net.c @@ -1329,7 +1329,7 @@ void net_check_clients(void) } } -static int net_init_client(QemuOpts *opts, void *dummy) +static int net_init_client(void *dummy, QemuOpts *opts, Error **errp) { Error *local_err = NULL; @@ -1342,7 +1342,7 @@ static int net_init_client(QemuOpts *opts, void *dummy) return 0; } -static int net_init_netdev(QemuOpts *opts, void *dummy) +static int net_init_netdev(void *dummy, QemuOpts *opts, Error **errp) { Error *local_err = NULL; int ret; @@ -1373,11 +1373,12 @@ int net_init_clients(void) QTAILQ_INIT(&net_clients); - if (qemu_opts_foreach(qemu_find_opts("netdev"), net_init_netdev, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("netdev"), + net_init_netdev, NULL, NULL)) { return -1; } - if (qemu_opts_foreach(net, net_init_client, NULL)) { + if (qemu_opts_foreach(net, net_init_client, NULL, NULL)) { return -1; } diff --git a/net/vhost-user.c b/net/vhost-user.c index f1a15ce..cce168a 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -204,7 +204,7 @@ static CharDriverState *net_vhost_parse_chardev(const NetdevVhostUserOptions *op return chr; } -static int net_vhost_check_net(QemuOpts *opts, void *opaque) +static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp) { const char *name = opaque; const char *driver, *netdev; @@ -245,7 +245,7 @@ int net_init_vhost_user(const NetClientOptions *opts, const char *name, /* verify net frontend */ if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net, - (char *)name)) { + (char *)name, NULL)) { return -1; } diff --git a/numa.c b/numa.c index 360a595..d227ccc 100644 --- a/numa.c +++ b/numa.c @@ -125,7 +125,7 @@ static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp) max_numa_nodeid = MAX(max_numa_nodeid, nodenr + 1); } -static int parse_numa(QemuOpts *opts, void *opaque) +static int parse_numa(void *opaque, QemuOpts *opts, Error **errp) { NumaOptions *object = NULL; Error *err = NULL; @@ -216,7 +216,7 @@ void parse_numa_opts(MachineClass *mc) { int i; - if (qemu_opts_foreach(qemu_find_opts("numa"), parse_numa, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("numa"), parse_numa, NULL, NULL)) { exit(1); } diff --git a/tpm.c b/tpm.c index bca3b3a..a3f3b7f 100644 --- a/tpm.c +++ b/tpm.c @@ -182,7 +182,7 @@ static int configure_tpm(QemuOpts *opts) return 0; } -static int tpm_init_tpmdev(QemuOpts *opts, void *dummy) +static int tpm_init_tpmdev(void *dummy, QemuOpts *opts, Error **errp) { return configure_tpm(opts); } @@ -207,12 +207,12 @@ void tpm_cleanup(void) */ int tpm_init(void) { - if (qemu_opts_foreach(qemu_find_opts("tpmdev"), tpm_init_tpmdev, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("tpmdev"), + tpm_init_tpmdev, NULL, NULL)) { return -1; } atexit(tpm_cleanup); - return 0; } diff --git a/ui/vnc.c b/ui/vnc.c index 1013ea5..0c6b5e3 100644 --- a/ui/vnc.c +++ b/ui/vnc.c @@ -3770,7 +3770,7 @@ QemuOpts *vnc_parse_func(const char *str) return opts; } -int vnc_init_func(QemuOpts *opts, void *opaque) +int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp) { Error *local_err = NULL; char *id = (char *)qemu_opts_id(opts); diff --git a/util/qemu-config.c b/util/qemu-config.c index b38927a..a88461f 100644 --- a/util/qemu-config.c +++ b/util/qemu-config.c @@ -343,7 +343,7 @@ static int config_write_opt(const char *name, const char *value, void *opaque) return 0; } -static int config_write_opts(QemuOpts *opts, void *opaque) +static int config_write_opts(void *opaque, QemuOpts *opts, Error **errp) { struct ConfigWriteData *data = opaque; const char *id = qemu_opts_id(opts); @@ -367,7 +367,7 @@ void qemu_config_write(FILE *fp) fprintf(fp, "# qemu config file\n\n"); for (i = 0; lists[i] != NULL; i++) { data.list = lists[i]; - qemu_opts_foreach(data.list, config_write_opts, &data); + qemu_opts_foreach(data.list, config_write_opts, &data, NULL); } } diff --git a/util/qemu-option.c b/util/qemu-option.c index 7672aae..07b03e3 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -1047,13 +1047,14 @@ void qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc, Error **errp) } /** - * For each member of @list, call @func(member, @opaque). + * For each member of @list, call @func(@opaque, member, @errp). * Call it with the current location temporarily set to the member's. + * @func() may store an Error through @errp, but must return non-zero then. * When @func() returns non-zero, break the loop and return that value. * Return zero when the loop completes. */ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, - void *opaque) + void *opaque, Error **errp) { Location loc; QemuOpts *opts; @@ -1062,10 +1063,11 @@ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, loc_push_none(&loc); QTAILQ_FOREACH(opts, &list->head, next) { loc_restore(&opts->loc); - rc = func(opts, opaque); + rc = func(opaque, opts, errp); if (rc) { return rc; } + assert(!errp || !*errp); } loc_pop(&loc); return 0; diff --git a/vl.c b/vl.c index f360e11..b3c1722 100644 --- a/vl.c +++ b/vl.c @@ -515,7 +515,7 @@ static void res_free(void) } } -static int default_driver_check(QemuOpts *opts, void *opaque) +static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) { const char *driver = qemu_opt_get(opts, "driver"); int i; @@ -961,7 +961,7 @@ static int bt_parse(const char *opt) return 1; } -static int parse_sandbox(QemuOpts *opts, void *opaque) +static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) { /* FIXME: change this to true for 1.3 */ if (qemu_opt_get_bool(opts, "enable", false)) { @@ -981,7 +981,7 @@ static int parse_sandbox(QemuOpts *opts, void *opaque) return 0; } -static int parse_name(QemuOpts *opts, void *opaque) +static int parse_name(void *opaque, QemuOpts *opts, Error **errp) { const char *proc_name; @@ -1009,7 +1009,7 @@ bool usb_enabled(void) } #ifndef _WIN32 -static int parse_add_fd(QemuOpts *opts, void *opaque) +static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) { int fd, dupfd, flags; int64_t fdset_id; @@ -1071,7 +1071,7 @@ static int parse_add_fd(QemuOpts *opts, void *opaque) return 0; } -static int cleanup_add_fd(QemuOpts *opts, void *opaque) +static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) { int fd; @@ -1092,14 +1092,14 @@ static int cleanup_add_fd(QemuOpts *opts, void *opaque) #define MTD_OPTS "" #define SD_OPTS "" -static int drive_init_func(QemuOpts *opts, void *opaque) +static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) { BlockInterfaceType *block_default_type = opaque; return drive_new(opts, *block_default_type) == NULL; } -static int drive_enable_snapshot(QemuOpts *opts, void *opaque) +static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) { if (qemu_opt_get(opts, "snapshot") == NULL) { qemu_opt_set(opts, "snapshot", "on", &error_abort); @@ -1119,7 +1119,7 @@ static void default_drive(int enable, int snapshot, BlockInterfaceType type, opts = drive_add(type, index, NULL, optstr); if (snapshot) { - drive_enable_snapshot(opts, NULL); + drive_enable_snapshot(NULL, opts, NULL); } dinfo = drive_new(opts, type); @@ -2127,12 +2127,12 @@ char *qemu_find_file(int type, const char *name) return NULL; } -static int device_help_func(QemuOpts *opts, void *opaque) +static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) { return qdev_device_help(opts); } -static int device_init_func(QemuOpts *opts, void *opaque) +static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) { DeviceState *dev; @@ -2143,7 +2143,7 @@ static int device_init_func(QemuOpts *opts, void *opaque) return 0; } -static int chardev_init_func(QemuOpts *opts, void *opaque) +static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) { Error *local_err = NULL; @@ -2156,7 +2156,7 @@ static int chardev_init_func(QemuOpts *opts, void *opaque) } #ifdef CONFIG_VIRTFS -static int fsdev_init_func(QemuOpts *opts, void *opaque) +static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) { int ret; ret = qemu_fsdev_add(opts); @@ -2165,7 +2165,7 @@ static int fsdev_init_func(QemuOpts *opts, void *opaque) } #endif -static int mon_init_func(QemuOpts *opts, void *opaque) +static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) { CharDriverState *chr; const char *chardev; @@ -2606,7 +2606,7 @@ static int machine_set_property(const char *name, const char *value, return 0; } -static int object_create(QemuOpts *opts, void *opaque) +static int object_create(void *opaque, QemuOpts *opts, Error **errp) { Error *err = NULL; char *type = NULL; @@ -3797,20 +3797,24 @@ int main(int argc, char **argv, char **envp) exit(1); } - if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("sandbox"), + parse_sandbox, NULL, NULL)) { exit(1); } - if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("name"), + parse_name, NULL, NULL)) { exit(1); } #ifndef _WIN32 - if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + parse_add_fd, NULL, NULL)) { exit(1); } - if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("add-fd"), + cleanup_add_fd, NULL, NULL)) { exit(1); } #endif @@ -3897,8 +3901,10 @@ int main(int argc, char **argv, char **envp) machine_class->default_machine_opts, 0); } - qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL); - qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL); + qemu_opts_foreach(qemu_find_opts("device"), + default_driver_check, NULL, NULL); + qemu_opts_foreach(qemu_find_opts("global"), + default_driver_check, NULL, NULL); if (!vga_model && !default_vga) { vga_interface_type = VGA_DEVICE; @@ -4036,12 +4042,14 @@ int main(int argc, char **argv, char **envp) socket_init(); - if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("chardev"), + chardev_init_func, NULL, NULL)) { exit(1); } #ifdef CONFIG_VIRTFS - if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("fsdev"), + fsdev_init_func, NULL, NULL)) { exit(1); } #endif @@ -4051,11 +4059,13 @@ int main(int argc, char **argv, char **envp) exit(1); } - if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("device"), + device_help_func, NULL, NULL)) { exit(0); } - if (qemu_opts_foreach(qemu_find_opts("object"), object_create, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("object"), + object_create, NULL, NULL)) { exit(1); } @@ -4189,9 +4199,10 @@ int main(int argc, char **argv, char **envp) /* open the virtual block devices */ if (snapshot) - qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL); + qemu_opts_foreach(qemu_find_opts("drive"), + drive_enable_snapshot, NULL, NULL); if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, - &machine_class->block_default_type)) { + &machine_class->block_default_type, NULL)) { exit(1); } @@ -4202,7 +4213,8 @@ int main(int argc, char **argv, char **envp) parse_numa_opts(machine_class); - if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("mon"), + mon_init_func, NULL, NULL)) { exit(1); } @@ -4268,7 +4280,8 @@ int main(int argc, char **argv, char **envp) } /* init generic devices */ - if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL)) { + if (qemu_opts_foreach(qemu_find_opts("device"), + device_init_func, NULL, NULL)) { exit(1); } @@ -4322,7 +4335,8 @@ int main(int argc, char **argv, char **envp) #ifdef CONFIG_VNC /* init remote displays */ - qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL); + qemu_opts_foreach(qemu_find_opts("vnc"), + vnc_init_func, NULL, NULL); if (show_vnc_port) { char *ret = vnc_display_local_addr("default"); printf("VNC server running on `%s'\n", ret); -- 1.9.3