include/ and checkpatch: prefer __scanf to __attribute__((format(scanf,...)

It's equivalent to __printf, so prefer __scanf.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 3fd17c2..e5834aa 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -87,7 +87,8 @@
  */
 #define __pure				__attribute__((pure))
 #define __aligned(x)			__attribute__((aligned(x)))
-#define __printf(a,b)			__attribute__((format(printf,a,b)))
+#define __printf(a, b)			__attribute__((format(printf, a, b)))
+#define __scanf(a, b)			__attribute__((format(scanf, a, b)))
 #define  noinline			__attribute__((noinline))
 #define __attribute_const__		__attribute__((__const__))
 #define __maybe_unused			__attribute__((unused))
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d801acb..f2085b5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -328,10 +328,10 @@
 char *kasprintf(gfp_t gfp, const char *fmt, ...);
 extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
 
-extern int sscanf(const char *, const char *, ...)
-	__attribute__ ((format (scanf, 2, 3)));
-extern int vsscanf(const char *, const char *, va_list)
-	__attribute__ ((format (scanf, 2, 0)));
+extern __scanf(2, 3)
+int sscanf(const char *, const char *, ...);
+extern __scanf(2, 0)
+int vsscanf(const char *, const char *, va_list);
 
 extern int get_option(char **str, int *pint);
 extern char *get_options(const char *str, int nints, int *ints);