From: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>
Date: Thu, 25 May 2017 12:58:56 +0000
Subject: tools/include: Add IS_ERR_OR_NULL to err.h
Patch-mainline: v4.13-rc1
Git-commit: 61d4595eed163ea416c13c4b994f22190711151b
References: bsc#1109837

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 tools/include/linux/err.h |    5 +++++
 1 file changed, 5 insertions(+)

--- a/tools/include/linux/err.h
+++ b/tools/include/linux/err.h
@@ -46,4 +46,9 @@ static inline bool __must_check IS_ERR(_
 	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 */