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[rfc,01/13,RFC,01/13] netfilter: nf_conntrack_sip: Allow ct_sip_get_header() to be called with a null ct argument

Message ID 20100805115239.689861234@vergenet.net
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Simon Horman Aug. 5, 2010, 11:47 a.m. UTC 
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 net/netfilter/nf_conntrack_sip.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
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Patch

diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 53d8922..2fd1ea2 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -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: