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authorAlexey Dobriyan <adobriyan@gmail.com>2008-09-07 18:19:25 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-07 18:19:25 -0700
commit66bf79182d6531c14c1f9a507b6bbf374a2ae4cd (patch)
treefdec7ca17cabf738dbf37d50a6156ffc4e1d023c /net
parentfca1287a3a9246d4facc27a0a455fada18fd1164 (diff)
downloadlinux-66bf79182d6531c14c1f9a507b6bbf374a2ae4cd.tar.gz
netfilter: nf_conntrack_sip: de-static helper pointers
Helper's ->help hook can run concurrently with itself, so iterating over
SIP helpers with static pointer won't work reliably.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_sip.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 2f9bbc058b48..1fa306be60fb 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1193,7 +1193,6 @@ static const struct sip_handler sip_handlers[] = {
 static int process_sip_response(struct sk_buff *skb,
 				const char **dptr, unsigned int *datalen)
 {
-	static const struct sip_handler *handler;
 	enum ip_conntrack_info ctinfo;
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
 	unsigned int matchoff, matchlen;
@@ -1214,6 +1213,8 @@ static int process_sip_response(struct sk_buff *skb,
 	dataoff = matchoff + matchlen + 1;
 
 	for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) {
+		const struct sip_handler *handler;
+
 		handler = &sip_handlers[i];
 		if (handler->response == NULL)
 			continue;
@@ -1228,13 +1229,14 @@ static int process_sip_response(struct sk_buff *skb,
 static int process_sip_request(struct sk_buff *skb,
 			       const char **dptr, unsigned int *datalen)
 {
-	static const struct sip_handler *handler;
 	enum ip_conntrack_info ctinfo;
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
 	unsigned int matchoff, matchlen;
 	unsigned int cseq, i;
 
 	for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) {
+		const struct sip_handler *handler;
+
 		handler = &sip_handlers[i];
 		if (handler->request == NULL)
 			continue;