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

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Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
This commit is contained in:
Simon Horman 2010-08-22 21:37:51 +09:00
parent bc01befdcf
commit 5adbb9fb0c
1 changed files with 3 additions and 0 deletions
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3
net/netfilter/nf_conntrack_sip.c
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@ -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: