From: Alexey Dobriyan Date: Mon, 8 Sep 2008 01:19:25 +0000 (-0700) Subject: netfilter: nf_conntrack_sip: de-static helper pointers X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=66bf79182d6531c14c1f9a507b6bbf374a2ae4cd;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- 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;