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Diffstat (limited to 'net/netfilter/nf_conntrack_sip.c')
-rw-r--r--net/netfilter/nf_conntrack_sip.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 107251731809..b83dc9bf0a5d 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -977,11 +977,15 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff,
/* -EALREADY handling works around end-points that send
* SDP messages with identical port but different media type,
* we pretend expectation was set up.
+ * It also works in the case that SDP messages are sent with
+ * identical expect tuples but for different master conntracks.
*/
- int errp = nf_ct_expect_related(rtp_exp);
+ int errp = nf_ct_expect_related(rtp_exp,
+ NF_CT_EXP_F_SKIP_MASTER);
if (errp == 0 || errp == -EALREADY) {
- int errcp = nf_ct_expect_related(rtcp_exp);
+ int errcp = nf_ct_expect_related(rtcp_exp,
+ NF_CT_EXP_F_SKIP_MASTER);
if (errcp == 0 || errcp == -EALREADY)
ret = NF_ACCEPT;
@@ -1296,7 +1300,7 @@ static int process_register_request(struct sk_buff *skb, unsigned int protoff,
ret = hooks->expect(skb, protoff, dataoff, dptr, datalen,
exp, matchoff, matchlen);
else {
- if (nf_ct_expect_related(exp) != 0) {
+ if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
} else