diff --git a/lib/ubsan.c b/lib/ubsan.c index c652b4a820cc..1e9e2ab25539 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -143,11 +143,6 @@ static void val_to_string(char *str, size_t size, struct type_descriptor *type, } } -static bool location_is_valid(struct source_location *loc) -{ - return loc->file_name != NULL; -} - static DEFINE_SPINLOCK(report_lock); static void ubsan_prologue(struct source_location *location, @@ -354,25 +349,6 @@ void __ubsan_handle_type_mismatch_v1(struct type_mismatch_data_v1 *data, } EXPORT_SYMBOL(__ubsan_handle_type_mismatch_v1); -void __ubsan_handle_nonnull_return(struct nonnull_return_data *data) -{ - unsigned long flags; - - if (suppress_report(&data->location)) - return; - - ubsan_prologue(&data->location, &flags); - - pr_err("null pointer returned from function declared to never return null\n"); - - if (location_is_valid(&data->attr_location)) - print_source_location("returns_nonnull attribute specified in", - &data->attr_location); - - ubsan_epilogue(&flags); -} -EXPORT_SYMBOL(__ubsan_handle_nonnull_return); - void __ubsan_handle_vla_bound_not_positive(struct vla_bound_data *data, void *bound) { diff --git a/lib/ubsan.h b/lib/ubsan.h index 7e30b26497e0..f4d8d0bd4016 100644 --- a/lib/ubsan.h +++ b/lib/ubsan.h @@ -57,11 +57,6 @@ struct nonnull_arg_data { int arg_index; }; -struct nonnull_return_data { - struct source_location location; - struct source_location attr_location; -}; - struct vla_bound_data { struct source_location location; struct type_descriptor *type; diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index 8fd4d44fbcd1..b593b36ccff8 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -7,7 +7,6 @@ ifdef CONFIG_UBSAN CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow) CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds) CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size) - CFLAGS_UBSAN += $(call cc-option, -fsanitize=returns-nonnull-attribute) CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool) CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)