Commit 75aca61b authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

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



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent d41e8009

arch/blackfin/include/asm/uaccess.h

+8 −7
Original line number Diff line number Diff line
@@ -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;