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>

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