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