commit 747cf6ed3dbf6200af761f5384893c3b621a484c
author Dan Carpenter <dan.carpenter@oracle.com> Tue Jun 26 20:53:09 2012 +0000
committer David S. Miller <davem@davemloft.net> Wed Jun 27 01:16:45 2012 -0700
tree 56eac2292838ddbfa2cbf302b51ff9590c51553b
parent c3deafc5261a9421b315ee0d0e8e36ba7857128c

6lowpan: double unlock on an error path

We already unlocked a few lines earlier here, so we can go directly to
drop without passing through unlock.  This was introduced recently in
c5d3687f6c ('6lowpan: read data from skb safely').

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ieee802154/6lowpan.c

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index ad0c226..cd5007f 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -771,7 +771,7 @@
 			kfree(frame);
 
 			if (lowpan_fetch_skb_u8(skb, &iphc0))
-				goto unlock_and_drop;
+				goto drop;
 
 			break;
 		}