5 #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
7 static inline void * __must_check ERR_PTR(long error)
12 static inline long __must_check PTR_ERR(const void *ptr)
17 static inline long __must_check IS_ERR(const void *ptr)
19 return IS_ERR_VALUE((unsigned long)ptr);
22 static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
24 return !ptr || IS_ERR_VALUE((unsigned long)ptr);