/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ERR_H__ #define __ERR_H__ #define MAX_ERRNO 4095 #define IS_ERR_VALUE(x) (unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO static inline int IS_ERR_OR_NULL(const void *ptr) { return !ptr || IS_ERR_VALUE((unsigned long)ptr); } static inline long PTR_ERR(const void *ptr) { return (long) ptr; } #endif /* __ERR_H__ */