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Diffstat (limited to 'arch/x86/include/asm/bug.h')
-rw-r--r--arch/x86/include/asm/bug.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 80c1696d8d59..bf3c802654d1 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -153,6 +153,7 @@ struct arch_va_list {
struct sysv_va_list args;
};
extern void *__warn_args(struct arch_va_list *args, struct pt_regs *regs);
+static __always_inline __printf(1, 2) void __WARN_validate_printf(const char *fmt, ...) { }
#endif /* __ASSEMBLER__ */
#define __WARN_bug_entry(flags, format) ({ \
@@ -172,6 +173,7 @@ extern void *__warn_args(struct arch_va_list *args, struct pt_regs *regs);
#define __WARN_print_arg(flags, format, arg...) \
do { \
int __flags = (flags) | BUGFLAG_WARNING | BUGFLAG_ARGS ; \
+ __WARN_validate_printf(format, ## arg); \
static_call_mod(WARN_trap)(__WARN_bug_entry(__flags, format), ## arg); \
asm (""); /* inhibit tail-call optimization */ \
} while (0)