net: speedup udp receive path

[deliverable/linux.git] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 63eb56b2d873e1455b8e7e45c2aaf6b22d8650a9..1f86965ba7d72e146bed86cae4d84240ea7e3f34 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1062,10 +1062,10 @@ static unsigned int first_packet_length(struct sock *sk)
        spin_unlock_bh(&rcvq->lock);
 
        if (!skb_queue_empty(&list_kill)) {
-               lock_sock(sk);
+               lock_sock_bh(sk);
                __skb_queue_purge(&list_kill);
                sk_mem_reclaim_partial(sk);
-               release_sock(sk);
+               unlock_sock_bh(sk);
        }
        return res;
 }
@@ -1196,10 +1196,10 @@ out:
        return err;
 
 csum_copy_err:
-       lock_sock(sk);
+       lock_sock_bh(sk);
        if (!skb_kill_datagram(sk, skb, flags))
                UDP_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
-       release_sock(sk);
+       unlock_sock_bh(sk);
 
        if (noblock)
                return -EAGAIN;
@@ -1624,9 +1624,9 @@ int udp_rcv(struct sk_buff *skb)
 
 void udp_destroy_sock(struct sock *sk)
 {
-       lock_sock(sk);
+       lock_sock_bh(sk);
        udp_flush_pending_frames(sk);
-       release_sock(sk);
+       unlock_sock_bh(sk);
 }
 
 /*