From: François Tigeot <ftigeot@wolfpond.org>
Date: Wed, 6 Aug 2014 13:31:41 +0000 (+0200)
Subject: linux/err.h: Add IS_ERR_OR_NULL()
X-Git-Tag: v4.1.0~324
X-Git-Url: https://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/commitdiff_plain/f7ed5b6a340fcd739d4fa978be199f601038053d

linux/err.h: Add IS_ERR_OR_NULL()

Obtained-from: OpenBSD
---

diff --git a/sys/dev/drm/include/linux/err.h b/sys/dev/drm/include/linux/err.h
index 858931d2bb..420ede6618 100644
--- a/sys/dev/drm/include/linux/err.h
+++ b/sys/dev/drm/include/linux/err.h
@@ -51,6 +51,12 @@ IS_ERR(const void *ptr)
 	return IS_ERR_VALUE((unsigned long)ptr);
 }
 
+static inline long
+IS_ERR_OR_NULL(const void *ptr)
+{
+	return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+
 static inline void *
 ERR_CAST(void *ptr)
 {