bridge br_multicast: Fix skb leakage in error path.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 19618f25b4c6..6980625537ca 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -991,7 +991,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
                 err = pskb_trim_rcsum(skb2, len);
                 if (err)
-                        return err;
+                        goto err_out;
         }
 
         len -= ip_hdrlen(skb2);
@@ -1013,7 +1013,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
         case CHECKSUM_NONE:
                 skb2->csum = 0;
                 if (skb_checksum_complete(skb2))
-                        return -EINVAL;
+                        goto out;
         }
 
         err = 0;
@@ -1040,6 +1040,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
 out:
         __skb_push(skb2, offset);
+err_out:
         if (skb2 != skb)
                 kfree_skb(skb2);
         return err;