X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-arm%2Fuaccess.h;h=4c1a3fa9f2596cac7243e7d932252deb56817c0f;hb=d4b2bab4f26345ea1803feb23ea92fbe3f6b77bc;hp=09ad0cab90149f3a7a17d755f92c8742ad0841a8;hpb=6bf1f75bc6dabc357a29e3b3d6bd4ff00c3d5e6e;p=powerpc.git

diff --git a/include/asm-arm/uaccess.h b/include/asm-arm/uaccess.h
index 09ad0cab90..4c1a3fa9f2 100644
--- a/include/asm-arm/uaccess.h
+++ b/include/asm-arm/uaccess.h
@@ -76,10 +76,10 @@ static inline void set_fs(mm_segment_t fs)
 
 /* We use 33-bit arithmetic here... */
 #define __range_ok(addr,size) ({ \
-	unsigned long flag, sum; \
+	unsigned long flag, roksum; \
 	__chk_user_ptr(addr);	\
 	__asm__("adds %1, %2, %3; sbcccs %1, %1, %0; movcc %0, #0" \
-		: "=&r" (flag), "=&r" (sum) \
+		: "=&r" (flag), "=&r" (roksum) \
 		: "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \
 		: "cc"); \
 	flag; })
@@ -109,7 +109,7 @@ extern int __get_user_4(void *);
 
 #define get_user(x,p)							\
 	({								\
-		const register typeof(*(p)) __user *__p asm("r0") = (p);\
+		register const typeof(*(p)) __user *__p asm("r0") = (p);\
 		register unsigned long __r2 asm("r2");			\
 		register int __e asm("r0");				\
 		switch (sizeof(*(__p))) {				\
@@ -143,8 +143,8 @@ extern int __put_user_8(void *, unsigned long long);
 
 #define put_user(x,p)							\
 	({								\
-		const register typeof(*(p)) __r2 asm("r2") = (x);	\
-		const register typeof(*(p)) __user *__p asm("r0") = (p);\
+		register const typeof(*(p)) __r2 asm("r2") = (x);	\
+		register const typeof(*(p)) __user *__p asm("r0") = (p);\
 		register int __e asm("r0");				\
 		switch (sizeof(*(__p))) {				\
 		case 1:							\
@@ -383,19 +383,19 @@ do {									\
 
 
 #ifdef CONFIG_MMU
-extern unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n);
-extern unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n);
-extern unsigned long __clear_user(void __user *addr, unsigned long n);
+extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n);
+extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n);
 #else
 #define __copy_from_user(to,from,n)	(memcpy(to, (void __force *)from, n), 0)
 #define __copy_to_user(to,from,n)	(memcpy((void __force *)to, from, n), 0)
 #define __clear_user(addr,n)		(memset((void __force *)addr, 0, n), 0)
 #endif
 
-extern unsigned long __strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __strnlen_user(const char __user *s, long n);
+extern unsigned long __must_check __strncpy_from_user(char *to, const char __user *from, unsigned long count);
+extern unsigned long __must_check __strnlen_user(const char __user *s, long n);
 
-static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
 {
 	if (access_ok(VERIFY_READ, from, n))
 		n = __copy_from_user(to, from, n);
@@ -404,7 +404,7 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un
 	return n;
 }
 
-static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n)
 {
 	if (access_ok(VERIFY_WRITE, to, n))
 		n = __copy_to_user(to, from, n);
@@ -414,14 +414,14 @@ static inline unsigned long copy_to_user(void __user *to, const void *from, unsi
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-static inline unsigned long clear_user(void __user *to, unsigned long n)
+static inline unsigned long __must_check clear_user(void __user *to, unsigned long n)
 {
 	if (access_ok(VERIFY_WRITE, to, n))
 		n = __clear_user(to, n);
 	return n;
 }
 
-static inline long strncpy_from_user(char *dst, const char __user *src, long count)
+static inline long __must_check strncpy_from_user(char *dst, const char __user *src, long count)
 {
 	long res = -EFAULT;
 	if (access_ok(VERIFY_READ, src, 1))
@@ -431,7 +431,7 @@ static inline long strncpy_from_user(char *dst, const char __user *src, long cou
 
 #define strlen_user(s)	strnlen_user(s, ~0UL >> 1)
 
-static inline long strnlen_user(const char __user *s, long n)
+static inline long __must_check strnlen_user(const char __user *s, long n)
 {
 	unsigned long res = 0;