netfilter: nf_conntrack_sip: Allow ct_sip_get_header() to be called with a null ct argument



Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>

parent bc01befd

net/netfilter/nf_conntrack_sip.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -152,6 +152,9 @@ static int parse_addr(const struct nf_conn ct, const char cp,
		const char *end;
		int ret = 0;

		if (!ct)
		return 0;

		memset(addr, 0, sizeof(*addr));
		switch (nf_ct_l3num(ct)) {
		case AF_INET: