net: fix memory leak on oom with zerocopy

If orphan flags fails, we don't free the skb
on receive, which leaks the skb memory.

Return value was also wrong: netif_receive_skb
is supposed to return NET_RX_DROP, not ENOMEM.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed