cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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err.h (564B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      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
      8static inline void * __must_check ERR_PTR(long error)
      9{
     10	return (void *) error;
     11}
     12
     13static inline long __must_check PTR_ERR(const void *ptr)
     14{
     15	return (long) ptr;
     16}
     17
     18static inline long __must_check IS_ERR(const void *ptr)
     19{
     20	return IS_ERR_VALUE((unsigned long)ptr);
     21}
     22
     23static 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 */