[NETFILTER]: SIP helper: expect RTP streams in both directions

Since we don't know in which direction the first packet will arrive, we
need to create one expectation for each direction, which is currently
prevented by max_expected beeing set to 1.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/netfilter/ip_conntrack_sip.c b/net/ipv4/netfilter/ip_conntrack_sip.c
index fc87ce0da40d37c8f5f93e0113f43b60f16ea828..4f222d6be009ac22aa6519b1619aedc1df65500a 100644 (file)
--- a/net/ipv4/netfilter/ip_conntrack_sip.c
+++ b/net/ipv4/netfilter/ip_conntrack_sip.c
@@ -442,7 +442,7 @@ static int __init init(void)
                sip[i].tuple.src.u.udp.port = htons(ports[i]);
                sip[i].mask.src.u.udp.port = 0xFFFF;
                sip[i].mask.dst.protonum = 0xFF;
-               sip[i].max_expected = 1;
+               sip[i].max_expected = 2;
                sip[i].timeout = 3 * 60; /* 3 minutes */
                sip[i].me = THIS_MODULE;
                sip[i].help = sip_help;