diff options
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | drivers/comedi/drivers/ni_670x.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_plane.c | 2 | ||||
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c | 2 | ||||
| -rw-r--r-- | include/linux/string.h | 7 |
5 files changed, 13 insertions, 3 deletions
@@ -940,6 +940,9 @@ KBUILD_CFLAGS += $(call cc-option,-fzero-init-padding-bits=all) # for the randomize_kstack_offset feature. Disable it for all compilers. KBUILD_CFLAGS += $(call cc-option, -fno-stack-clash-protection) +# Get details on warnings generated due to GCC value tracking. +KBUILD_CFLAGS += $(call cc-option, -fdiagnostics-show-context=2) + # Clear used registers at func exit (to reduce data lifetime and ROP gadgets). ifdef CONFIG_ZERO_CALL_USED_REGS KBUILD_CFLAGS += -fzero-call-used-regs=used-gpr diff --git a/drivers/comedi/drivers/ni_670x.c b/drivers/comedi/drivers/ni_670x.c index c875d251c230..563a9c790f12 100644 --- a/drivers/comedi/drivers/ni_670x.c +++ b/drivers/comedi/drivers/ni_670x.c @@ -199,7 +199,7 @@ static int ni_670x_auto_attach(struct comedi_device *dev, const struct comedi_lrange **range_table_list; range_table_list = kmalloc_array(32, - sizeof(struct comedi_lrange *), + sizeof(*range_table_list), GFP_KERNEL); if (!range_table_list) return -ENOMEM; diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index d2c211f66c9e..ce76c55913f7 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -425,7 +425,7 @@ static int __drm_universal_plane_init(struct drm_device *dev, plane->modifier_count = format_modifier_count; plane->modifiers = kmalloc_array(format_modifier_count, - sizeof(format_modifiers[0]), + sizeof(*plane->modifiers), GFP_KERNEL); if (format_modifier_count && !plane->modifiers) { diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c index 6a772db2ec33..f91295532099 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c @@ -1212,5 +1212,5 @@ void iris_hfi_gen2_command_ops_init(struct iris_core *core) struct iris_inst *iris_hfi_gen2_get_instance(void) { - return kzalloc(sizeof(struct iris_inst_hfi_gen2), GFP_KERNEL); + return (struct iris_inst *)kzalloc(sizeof(struct iris_inst_hfi_gen2), GFP_KERNEL); } diff --git a/include/linux/string.h b/include/linux/string.h index 0266dbdaa4cd..1b564c36d721 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -371,6 +371,10 @@ static inline void memzero_explicit(void *s, size_t count) * kbasename - return the last part of a pathname. * * @path: path to extract the filename from. + * + * Returns: + * Pointer to the filename portion inside @path. If no '/' exists, + * returns @path unchanged. */ static inline const char *kbasename(const char *path) { @@ -556,6 +560,9 @@ static __always_inline size_t str_has_prefix(const char *str, const char *prefix * strstarts - does @str start with @prefix? * @str: string to examine * @prefix: prefix to look for. + * + * Returns: + * True if @str begins with @prefix. False in all other cases. */ static inline bool strstarts(const char *str, const char *prefix) { |