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Diffstat (limited to 'arch/powerpc/boot/stdio.h')
-rw-r--r--arch/powerpc/boot/stdio.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h
index 73b8a91bfb3..adffc58412d 100644
--- a/arch/powerpc/boot/stdio.h
+++ b/arch/powerpc/boot/stdio.h
@@ -7,11 +7,12 @@
#define EINVAL 22 /* Invalid argument */
#define ENOSPC 28 /* No space left on device */
-extern int printf(const char *fmt, ...);
+extern int printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
#define fprintf(fmt, args...) printf(args)
-extern int sprintf(char *buf, const char *fmt, ...);
+extern int sprintf(char *buf, const char *fmt, ...)
+ __attribute__((format(printf, 2, 3)));
extern int vsprintf(char *buf, const char *fmt, va_list args);