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-rw-r--r--include/asm-s390/uaccess.h18
1 files changed, 9 insertions, 9 deletions
diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h
index 72ae4efddb49..73ac4e82217b 100644
--- a/include/asm-s390/uaccess.h
+++ b/include/asm-s390/uaccess.h
@@ -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();
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