diff options
Diffstat (limited to 'include/linux/err.h')
| -rw-r--r-- | include/linux/err.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/err.h b/include/linux/err.h index 1b12642636c..448afc12c78 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -19,22 +19,22 @@ #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) -static inline void *ERR_PTR(long error) +static inline void * __must_check ERR_PTR(long error) { return (void *) error; } -static inline long PTR_ERR(const void *ptr) +static inline long __must_check PTR_ERR(const void *ptr) { return (long) ptr; } -static inline long IS_ERR(const void *ptr) +static inline long __must_check IS_ERR(const void *ptr) { return IS_ERR_VALUE((unsigned long)ptr); } -static inline long IS_ERR_OR_NULL(const void *ptr) +static inline long __must_check IS_ERR_OR_NULL(const void *ptr) { return !ptr || IS_ERR_VALUE((unsigned long)ptr); } @@ -46,7 +46,7 @@ static inline long IS_ERR_OR_NULL(const void *ptr) * Explicitly cast an error-valued pointer to another pointer type in such a * way as to make it clear that's what's going on. */ -static inline void *ERR_CAST(const void *ptr) +static inline void * __must_check ERR_CAST(const void *ptr) { /* cast away the const */ return (void *) ptr; |