---

yaml
---
r: 215454
b: refs/heads/master
c: 5b92b61
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26c15cfd291f8b4ee40b4bbdf5e3772adfd704f5
+refs/heads/master: 5b92b61f3891517d18d0573ad2c939c81b59ecfe

trunk/net/ipv4/netfilter/nf_nat_amanda.c

@@ -44,9 +44,16 @@ static unsigned int help(struct sk_buff *skb,
 
 	/* Try to get same port: if not, try to change it. */
 	for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			port = 0;
 			break;
+		}
 	}
 
 	if (port == 0)

trunk/net/ipv4/netfilter/nf_nat_ftp.c

@@ -79,9 +79,16 @@ static unsigned int nf_nat_ftp(struct sk_buff *skb,
 
 	/* Try to get same port: if not, try to change it. */
 	for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			port = 0;
 			break;
+		}
 	}
 
 	if (port == 0)

trunk/net/ipv4/netfilter/nf_nat_h323.c

@@ -222,13 +222,24 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct,
 	/* Try to get a pair of ports. */
 	for (nated_port = ntohs(rtp_exp->tuple.dst.u.udp.port);
 	     nated_port != 0; nated_port += 2) {
+		int ret;
+
 		rtp_exp->tuple.dst.u.udp.port = htons(nated_port);
-		if (nf_ct_expect_related(rtp_exp) == 0) {
+		ret = nf_ct_expect_related(rtp_exp);
+		if (ret == 0) {
 			rtcp_exp->tuple.dst.u.udp.port =
 			    htons(nated_port + 1);
-			if (nf_ct_expect_related(rtcp_exp) == 0)
+			ret = nf_ct_expect_related(rtcp_exp);
+			if (ret == 0)
+				break;
+			else if (ret != -EBUSY) {
+				nf_ct_unexpect_related(rtp_exp);
+				nated_port = 0;
 				break;
-			nf_ct_unexpect_related(rtp_exp);
+			}
+		} else if (ret != -EBUSY) {
+			nated_port = 0;
+			break;
 		}
 	}
 
@@ -284,9 +295,16 @@ static int nat_t120(struct sk_buff *skb, struct nf_conn *ct,
 
 	/* Try to get same port: if not, try to change it. */
 	for (; nated_port != 0; nated_port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(nated_port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			nated_port = 0;
 			break;
+		}
 	}
 
 	if (nated_port == 0) {	/* No port available */
@@ -334,9 +352,16 @@ static int nat_h245(struct sk_buff *skb, struct nf_conn *ct,
 
 	/* Try to get same port: if not, try to change it. */
 	for (; nated_port != 0; nated_port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(nated_port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
 			break;
+		else if (ret != -EBUSY) {
+			nated_port = 0;
+			break;
+		}
 	}
 
 	if (nated_port == 0) {	/* No port available */
@@ -418,9 +443,16 @@ static int nat_q931(struct sk_buff *skb, struct nf_conn *ct,
 
 	/* Try to get same port: if not, try to change it. */
 	for (; nated_port != 0; nated_port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(nated_port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			nated_port = 0;
 			break;
+		}
 	}
 
 	if (nated_port == 0) {	/* No port available */
@@ -500,9 +532,16 @@ static int nat_callforwarding(struct sk_buff *skb, struct nf_conn *ct,
 
 	/* Try to get same port: if not, try to change it. */
 	for (nated_port = ntohs(port); nated_port != 0; nated_port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(nated_port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
 			break;
+		else if (ret != -EBUSY) {
+			nated_port = 0;
+			break;
+		}
 	}
 
 	if (nated_port == 0) {	/* No port available */

trunk/net/ipv4/netfilter/nf_nat_irc.c

@@ -45,9 +45,16 @@ static unsigned int help(struct sk_buff *skb,
 
 	/* Try to get same port: if not, try to change it. */
 	for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
+		int ret;
+
 		exp->tuple.dst.u.tcp.port = htons(port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			port = 0;
 			break;
+		}
 	}
 
 	if (port == 0)

trunk/net/ipv4/netfilter/nf_nat_sip.c

@@ -307,9 +307,16 @@ static unsigned int ip_nat_sip_expect(struct sk_buff *skb, unsigned int dataoff,
 	exp->expectfn = ip_nat_sip_expected;
 
 	for (; port != 0; port++) {
+		int ret;
+
 		exp->tuple.dst.u.udp.port = htons(port);
-		if (nf_ct_expect_related(exp) == 0)
+		ret = nf_ct_expect_related(exp);
+		if (ret == 0)
+			break;
+		else if (ret != -EBUSY) {
+			port = 0;
 			break;
+		}
 	}
 
 	if (port == 0)
@@ -480,13 +487,25 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff,
 	/* Try to get same pair of ports: if not, try to change them. */
 	for (port = ntohs(rtp_exp->tuple.dst.u.udp.port);
 	     port != 0; port += 2) {
+		int ret;
+
 		rtp_exp->tuple.dst.u.udp.port = htons(port);
-		if (nf_ct_expect_related(rtp_exp) != 0)
+		ret = nf_ct_expect_related(rtp_exp);
+		if (ret == -EBUSY)
 			continue;
+		else if (ret < 0) {
+			port = 0;
+			break;
+		}
 		rtcp_exp->tuple.dst.u.udp.port = htons(port + 1);
-		if (nf_ct_expect_related(rtcp_exp) == 0)
+		ret = nf_ct_expect_related(rtcp_exp);
+		if (ret == 0)
 			break;
-		nf_ct_unexpect_related(rtp_exp);
+		else if (ret != -EBUSY) {
+			nf_ct_unexpect_related(rtp_exp);
+			port = 0;
+			break;
+		}
 	}
 
 	if (port == 0)