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path: root/net/netfilter/nf_conntrack_sip.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_sip.c')
-rw-r--r--net/netfilter/nf_conntrack_sip.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 8d9db9d4702b..7d77217de6a3 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1383,7 +1383,7 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff,
return NF_DROP;
}
cseq = simple_strtoul(*dptr + matchoff, NULL, 10);
- if (!cseq) {
+ if (!cseq && *(*dptr + matchoff) != '0') {
nf_ct_helper_log(skb, ct, "cannot get cseq");
return NF_DROP;
}
@@ -1446,7 +1446,7 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff,
return NF_DROP;
}
cseq = simple_strtoul(*dptr + matchoff, NULL, 10);
- if (!cseq) {
+ if (!cseq && *(*dptr + matchoff) != '0') {
nf_ct_helper_log(skb, ct, "cannot get cseq");
return NF_DROP;
}