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authorMike Frysinger <vapier.adi@gmail.com>2009-01-07 23:14:38 +0800
committerBryan Wu <cooloney@kernel.org>2009-01-07 23:14:38 +0800
commit75aca61b1fc76f46da79d1a4ec393faa19005927 (patch)
treeafef4a782e50f24c7d147bbfcc5c7cd32eb3cbc5 /arch/blackfin/include/asm/uaccess.h
parentd41e8009994f429ef7198a750c37fd9660366fab (diff)
downloadlinux-2.6.38-lt-ux500-75aca61b1fc76f46da79d1a4ec393faa19005927.tar.gz
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>
Diffstat (limited to 'arch/blackfin/include/asm/uaccess.h')
-rw-r--r--arch/blackfin/include/asm/uaccess.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index daf2dc8e98c..3248033531e 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -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;