blob: d66d283d9e59a4b556180223f2d227f9f53ee6f0 [file] [log] [blame]
/* 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__ */