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Blackfin arch: add __must_check markings to our user functions like other arches 

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2009-01-07 23:14:38 +08:00 committed by Bryan Wu
parent d41e800999
commit 75aca61b1f
1 changed files with 8 additions and 7 deletions
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15
arch/blackfin/include/asm/uaccess.h
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@ -197,8 +197,8 @@ static inline int bad_user_access_length(void)
#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n))\
return retval; })
static inline 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))
memcpy(to, from, n);
@ -207,8 +207,8 @@ static inline long copy_from_user(void *to,
return 0;
}
static inline long copy_to_user(void *to,
const void __user * from, unsigned long n)
static inline unsigned long __must_check
copy_to_user(void *to, const void __user *from, unsigned long n)
{
if (access_ok(VERIFY_WRITE, to, n))
memcpy(to, from, n);
@ -221,8 +221,8 @@ static inline long copy_to_user(void *to,
* Copy a null terminated string from userspace.
*/
static inline long strncpy_from_user(char *dst,
const char *src, long count)
static inline long __must_check
strncpy_from_user(char *dst, const char *src, long count)
{
char *tmp;
if (!access_ok(VERIFY_READ, src, 1))
@ -248,7 +248,8 @@ static inline long strnlen_user(const char *src, long n)
* Zero Userspace
*/
static inline unsigned long __clear_user(void *to, unsigned long n)
static inline unsigned long __must_check
__clear_user(void *to, unsigned long n)
{
memset(to, 0, n);
return 0;