diff options
Diffstat (limited to 'include/linux/err.h')
| -rw-r--r-- | include/linux/err.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/err.h b/include/linux/err.h index 1ab1d44f8d3b..ec87f3142bf3 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -34,6 +34,19 @@ static inline long IS_ERR(const void *ptr) return IS_ERR_VALUE((unsigned long)ptr); } +/** + * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type + * @ptr: The pointer to cast. + * + * 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) +{ + /* cast away the const */ + return (void *) ptr; +} + #endif #endif /* _LINUX_ERR_H */ |