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authorLevin, Alexander (Sasha Levin) <alexander.levin@verizon.com>2017-05-25 12:58:56 +0000
committerIngo Molnar <mingo@kernel.org>2017-06-05 09:28:12 +0200
commit61d4595eed163ea416c13c4b994f22190711151b (patch)
treee6ee7a75ee1e844a99e20aa58793dd542cdf6619 /tools/include
parent3156cbaeda991f6b330dd8260d863bfad71b358e (diff)
downloadlinux-61d4595eed163ea416c13c4b994f22190711151b.tar.bz2
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>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/err.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h
index bdc3dd8131d4..abf0478a8fb2 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 */