datagram: When peeking datagrams with offset < 0 don't skip empty skbs

[karo-tx-linux.git] / net / ipv6 / udp.c

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 578142b7ca3e6e91e528b8c81addec812bb6a5ca..20039c8501eb9729619f4337a2757a2954163614 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -362,7 +362,8 @@ int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
                return ipv6_recv_rxpmtu(sk, msg, len, addr_len);
 
 try_again:
-       peeking = off = sk_peek_offset(sk, flags);
+       peeking = flags & MSG_PEEK;
+       off = sk_peek_offset(sk, flags);
        skb = __skb_recv_udp(sk, flags, noblock, &peeked, &off, &err);
        if (!skb)
                return err;