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Commit f7675ad7 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[S390] Add __must_check to uaccess functions. 



Follow other architectures and add __must_check to uaccess functions.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent feb5babe

include/asm-s390/uaccess.h

+9 −9
Original line number Diff line number Diff line
@@ -201,7 +201,7 @@ extern int __get_user_bad(void) __attribute__((noreturn)); 
 * Returns number of bytes that could not be copied.

 * On success, this will be zero.

 */

static inline unsigned long

static inline unsigned long __must_check

__copy_to_user(void __user *to, const void *from, unsigned long n)

{

	if (__builtin_constant_p(n) && (n <= 256))
@@ -226,7 +226,7 @@ __copy_to_user(void __user *to, const void *from, unsigned long n) 
 * Returns number of bytes that could not be copied.

 * On success, this will be zero.

 */

static inline unsigned long

static inline unsigned long __must_check

copy_to_user(void __user *to, const void *from, unsigned long n)

{

	might_sleep();
@@ -252,7 +252,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n) 
 * If some data could not be copied, this function will pad the copied

 * data to the requested size using zero bytes.

 */

static inline unsigned long

static inline unsigned long __must_check

__copy_from_user(void *to, const void __user *from, unsigned long n)

{

	if (__builtin_constant_p(n) && (n <= 256))
@@ -277,7 +277,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) 
 * If some data could not be copied, this function will pad the copied

 * data to the requested size using zero bytes.

 */

static inline unsigned long

static inline unsigned long __must_check

copy_from_user(void *to, const void __user *from, unsigned long n)

{

	might_sleep();
@@ -288,13 +288,13 @@ copy_from_user(void *to, const void __user *from, unsigned long n) 
	return n;

}



static inline unsigned long

static inline unsigned long __must_check

__copy_in_user(void __user *to, const void __user *from, unsigned long n)

{

	return uaccess.copy_in_user(n, to, from);

}



static inline unsigned long

static inline unsigned long __must_check

copy_in_user(void __user *to, const void __user *from, unsigned long n)

{

	might_sleep();
@@ -306,7 +306,7 @@ copy_in_user(void __user *to, const void __user *from, unsigned long n) 
/*

 * Copy a null terminated string from userspace.

 */

static inline long

static inline long __must_check

strncpy_from_user(char *dst, const char __user *src, long count)

{

        long res = -EFAULT;
@@ -343,13 +343,13 @@ strnlen_user(const char __user * src, unsigned long n) 
 * Zero Userspace

 */



static inline unsigned long

static inline unsigned long __must_check

__clear_user(void __user *to, unsigned long n)

{

	return uaccess.clear_user(n, to);

}



static inline unsigned long

static inline unsigned long __must_check

clear_user(void __user *to, unsigned long n)

{

	might_sleep();