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- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- "Levin, Alexander (Sasha Levin)"
- Ingo Molnar
Patch in this message | | | Date | Mon, 5 Jun 2017 02:11:22 -0700 | From | "tip-bot for Levin, Alexander (Sasha Levin)" <> | Subject | [tip:locking/core] tools/include: Add IS_ERR_OR_NULL to err.h |
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Commit-ID: 61d4595eed163ea416c13c4b994f22190711151b Gitweb: http://git.kernel.org/tip/61d4595eed163ea416c13c4b994f22190711151b Author: Levin, Alexander (Sasha Levin) <alexander.levin@verizon.com> AuthorDate: Thu, 25 May 2017 12:58:56 +0000 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Mon, 5 Jun 2017 09:28:12 +0200
tools/include: Add IS_ERR_OR_NULL to err.h
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> --- tools/include/linux/err.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h index bdc3dd8..abf0478 100644 --- a/tools/include/linux/err.h +++ b/tools/include/linux/err.h @@ -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 */
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