1 /* SPDX-License-Identifier: GPL-2.0 */
6 #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
8 static inline void * __must_check ERR_PTR(long error)
10 return (void *) error;
13 static inline long __must_check PTR_ERR(const void *ptr)
18 static inline long __must_check IS_ERR(const void *ptr)
20 return IS_ERR_VALUE((unsigned long)ptr);
23 static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
25 return !ptr || IS_ERR_VALUE((unsigned long)ptr);