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-rw-r--r--arch/um/include/user.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 91b0ac4ad88c..39f8c8801076 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);