Commit 1ab6eb62 authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
Browse files

[UDP6]: Restore sk_filter optimisation

This reverts the changeset

    [IPV6]: UDPv6 checksum.

    We always need to check UDPv6 checksum because it is mandatory.

The sk_filter optimisation has nothing to do whether we verify the
checksum.  It simply postpones it to the point when the user calls
recv or poll.
Signed-off-by: default avatarHerbert Xu <>
Signed-off-by: default avatarDavid S. Miller <>
parent 243bbcaa
......@@ -279,8 +279,10 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
if (udp_lib_checksum_complete(skb))
goto drop;
if (sk->sk_filter) {
if (udp_lib_checksum_complete(skb))
goto drop;
if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
/* Note that an ENOMEM error is charged twice */
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