tipc: eliminate potential memory leak
In the function tipc_sk_mcast_rcv() we call refcount_dec(&skb->users)
on received sk_buffers. Since the reference counter might hit zero at
this point, we have a potential memory leak.
We fix this by replacing refcount_dec() with kfree_skb().
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 5d18c0c..41127d0 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1140,7 +1140,7 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
__skb_dequeue(arrvq);
__skb_queue_tail(inputq, skb);
}
- refcount_dec(&skb->users);
+ kfree_skb(skb);
spin_unlock_bh(&inputq->lock);
continue;
}