[mirror_ubuntu-jammy-kernel.git] / tools / virtio / linux / err.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ERR_H
#define ERR_H
#define MAX_ERRNO	4095

#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)

static inline void * __must_check ERR_PTR(long error)
{
	return (void *) error;
}

static inline long __must_check PTR_ERR(const void *ptr)
{
	return (long) ptr;
}

static inline long __must_check IS_ERR(const void *ptr)
{
	return IS_ERR_VALUE((unsigned long)ptr);
}

static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
{
	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
}
#endif /* ERR_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
61d0b5a4 RR	2	#ifndef ERR_H
	3	#define ERR_H
	4	#define MAX_ERRNO 4095
	5
	6	#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
	7
	8	static inline void * __must_check ERR_PTR(long error)
	9	{
	10	return (void *) error;
	11	}
	12
	13	static inline long __must_check PTR_ERR(const void *ptr)
	14	{
	15	return (long) ptr;
	16	}
	17
	18	static inline long __must_check IS_ERR(const void *ptr)
	19	{
	20	return IS_ERR_VALUE((unsigned long)ptr);
	21	}
	22
	23	static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
	24	{
	25	return !ptr \|\| IS_ERR_VALUE((unsigned long)ptr);
	26	}
	27	#endif /* ERR_H */