From 117aa41e8020fe493bbb677ebe828c3a4b380185 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 21 Jan 2016 17:41:23 -0500
Subject: [PATCH] [regression] fix braino in fs/dlm/user.c

it's "bugger off if we got ERR_PTR", not the other way round...

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dlm/user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 1925d6d222b8..58c2f4a21b7f 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -516,7 +516,7 @@ static ssize_t device_write(struct file *file, const char __user *buf,
 		return -EINVAL;
 
 	kbuf = memdup_user_nul(buf, count);
-	if (!IS_ERR(kbuf))
+	if (IS_ERR(kbuf))
 		return PTR_ERR(kbuf);
 
 	if (check_version(kbuf)) {
-- 
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