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Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/udp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3d7a2c0b836a..87be58673b55 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -328,6 +328,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
int err;
int is_udplite = IS_UDPLITE(sk);
int is_udp4;
+ bool slow;
if (addr_len)
*addr_len=sizeof(struct sockaddr_in6);
@@ -424,7 +425,7 @@ out:
return err;
csum_copy_err:
- lock_sock_bh(sk);
+ slow = lock_sock_fast(sk);
if (!skb_kill_datagram(sk, skb, flags)) {
if (is_udp4)
UDP_INC_STATS_USER(sock_net(sk),
@@ -433,7 +434,7 @@ csum_copy_err:
UDP6_INC_STATS_USER(sock_net(sk),
UDP_MIB_INERRORS, is_udplite);
}
- unlock_sock_bh(sk);
+ unlock_sock_fast(sk, slow);
if (flags & MSG_DONTWAIT)
return -EAGAIN;