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tools/include: Add IS_ERR_OR_NULL to err.h

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Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ben@decadent.org.uk
Link: http://lkml.kernel.org/r/20170525130005.5947-20-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Levin, Alexander (Sasha Levin) 2017-05-25 12:58:56 +00:00 committed by Ingo Molnar
parent 3156cbaeda
commit 61d4595eed
1 changed files with 5 additions and 0 deletions
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5
tools/include/linux/err.h
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@ -46,4 +46,9 @@ static inline bool __must_check IS_ERR(__force const void *ptr)
return IS_ERR_VALUE((unsigned long)ptr);
}
static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr)
{
return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr);
}
#endif /* _LINUX_ERR_H */