linux-kernel - [PATCH 19/21] tools include: add IS_ERR_OR

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Message-ID: <20170525130005.5947-20-alexander.levin@verizon.com>
Date:   Thu, 25 May 2017 12:58:56 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
To:     "mingo@...nel.org" <mingo@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ben@...adent.org.uk" <ben@...adent.org.uk>,
        "a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
        "tglx@...utronix.de" <tglx@...utronix.de>
Subject: [PATCH 19/21] tools include: add IS_ERR_OR_NULL to err.h

Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 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 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 */
-- 
2.11.0