[SPARC64]: Add __must_check to user copy routines.

Signed-off-by: David S. Miller <davem@davemloft.net>

include/asm-sparc64/uaccess.h

@@ -253,12 +253,13 @@ __asm__ __volatile__(							\
 
 extern int __get_user_bad(void);
 
-extern unsigned long ___copy_from_user(void *to, const void __user *from,
-				       unsigned long size);
+extern unsigned long __must_check ___copy_from_user(void *to,
+						    const void __user *from,
+						    unsigned long size);
 extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
 					  unsigned long size);
-static inline unsigned long copy_from_user(void *to, const void __user *from,
-					   unsigned long size)
+static inline unsigned long __must_check
+copy_from_user(void *to, const void __user *from, unsigned long size)
 {
 	unsigned long ret = ___copy_from_user(to, from, size);
 
@@ -268,12 +269,13 @@ static inline unsigned long copy_from_user(void *to, const void __user *from,
 }
 #define __copy_from_user copy_from_user
 
-extern unsigned long ___copy_to_user(void __user *to, const void *from,
-				     unsigned long size);
+extern unsigned long __must_check ___copy_to_user(void __user *to,
+						  const void *from,
+						  unsigned long size);
 extern unsigned long copy_to_user_fixup(void __user *to, const void *from,
 					unsigned long size);
-static inline unsigned long copy_to_user(void __user *to, const void *from,
-					 unsigned long size)
+static inline unsigned long __must_check
+copy_to_user(void __user *to, const void *from, unsigned long size)
 {
 	unsigned long ret = ___copy_to_user(to, from, size);
 
@@ -283,12 +285,13 @@ static inline unsigned long copy_to_user(void __user *to, const void *from,
 }
 #define __copy_to_user copy_to_user
 
-extern unsigned long ___copy_in_user(void __user *to, const void __user *from,
-				     unsigned long size);
+extern unsigned long __must_check ___copy_in_user(void __user *to,
+						  const void __user *from,
+						  unsigned long size);
 extern unsigned long copy_in_user_fixup(void __user *to, void __user *from,
 					unsigned long size);
-static inline unsigned long copy_in_user(void __user *to, void __user *from,
-					 unsigned long size)
+static inline unsigned long __must_check
+copy_in_user(void __user *to, void __user *from, unsigned long size)
 {
 	unsigned long ret = ___copy_in_user(to, from, size);
 
@@ -298,9 +301,10 @@ static inline unsigned long copy_in_user(void __user *to, void __user *from,
 }
 #define __copy_in_user copy_in_user
 
-extern unsigned long __bzero_noasi(void __user *, unsigned long);
+extern unsigned long __must_check __bzero_noasi(void __user *, unsigned long);
 
-static inline unsigned long __clear_user(void __user *addr, unsigned long size)
+static inline unsigned long __must_check
+__clear_user(void __user *addr, unsigned long size)
 {
 	
 	return __bzero_noasi(addr, size);
@@ -308,7 +312,7 @@ static inline unsigned long __clear_user(void __user *addr, unsigned long size)
 
 #define clear_user __clear_user
 
-extern long __strncpy_from_user(char *dest, const char __user *src, long count);
+extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count);
 
 #define strncpy_from_user __strncpy_from_user