[PATCH] uml: request format warnings to GCC for appropriate functions

Add the format attribute to prototypes so GCC warns about improper usage.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 91b0ac4..39f8c88 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -6,8 +6,10 @@
 #ifndef __USER_H__
 #define __USER_H__
 
-extern void panic(const char *fmt, ...);
-extern int printk(const char *fmt, ...);
+extern void panic(const char *fmt, ...)
+	__attribute__ ((format (printf, 1, 2)));
+extern int printk(const char *fmt, ...)
+	__attribute__ ((format (printf, 1, 2)));
 extern void schedule(void);
 extern void *um_kmalloc(int size);
 extern void *um_kmalloc_atomic(int size);