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@@ -201,7 +201,7 @@ extern int __get_user_bad(void) __attribute__((noreturn));
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* Returns number of bytes that could not be copied.
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* On success, this will be zero.
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*/
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-static inline unsigned long
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+static inline unsigned long __must_check
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__copy_to_user(void __user *to, const void *from, unsigned long n)
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{
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if (__builtin_constant_p(n) && (n <= 256))
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@@ -226,7 +226,7 @@ __copy_to_user(void __user *to, const void *from, unsigned long n)
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* Returns number of bytes that could not be copied.
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* On success, this will be zero.
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*/
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-static inline unsigned long
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+static inline unsigned long __must_check
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copy_to_user(void __user *to, const void *from, unsigned long n)
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{
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might_sleep();
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@@ -252,7 +252,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
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* If some data could not be copied, this function will pad the copied
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* data to the requested size using zero bytes.
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*/
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-static inline unsigned long
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+static inline unsigned long __must_check
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__copy_from_user(void *to, const void __user *from, unsigned long n)
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{
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if (__builtin_constant_p(n) && (n <= 256))
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@@ -277,7 +277,7 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
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* If some data could not be copied, this function will pad the copied
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* data to the requested size using zero bytes.
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*/
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-static inline unsigned long
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+static inline unsigned long __must_check
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copy_from_user(void *to, const void __user *from, unsigned long n)
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{
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might_sleep();
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@@ -288,13 +288,13 @@ copy_from_user(void *to, const void __user *from, unsigned long n)
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return n;
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}
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-static inline unsigned long
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+static inline unsigned long __must_check
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__copy_in_user(void __user *to, const void __user *from, unsigned long n)
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{
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return uaccess.copy_in_user(n, to, from);
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}
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-static inline unsigned long
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+static inline unsigned long __must_check
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copy_in_user(void __user *to, const void __user *from, unsigned long n)
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{
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might_sleep();
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@@ -306,7 +306,7 @@ copy_in_user(void __user *to, const void __user *from, unsigned long n)
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/*
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* Copy a null terminated string from userspace.
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*/
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-static inline long
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+static inline long __must_check
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strncpy_from_user(char *dst, const char __user *src, long count)
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{
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long res = -EFAULT;
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@@ -343,13 +343,13 @@ strnlen_user(const char __user * src, unsigned long n)
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* Zero Userspace
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*/
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-static inline unsigned long
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+static inline unsigned long __must_check
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__clear_user(void __user *to, unsigned long n)
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{
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return uaccess.clear_user(n, to);
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}
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-static inline unsigned long
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+static inline unsigned long __must_check
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clear_user(void __user *to, unsigned long n)
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{
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might_sleep();
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