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[NETFILTER]: nf_conntrack_sip: check sname != NULL before calling strncmp

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The check got lost during the conversion to nf_conntrack.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-08-14 13:13:54 -07:00 committed by David S. Miller
parent 35019539d7
commit 465f90a486
1 changed files with 2 additions and 1 deletions
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3
net/netfilter/nf_conntrack_sip.c
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@ -330,7 +330,8 @@ int ct_sip_get_info(struct nf_conn *ct,
while (dptr <= limit) {
if ((strncmp(dptr, hnfo->lname, hnfo->lnlen) != 0) &&
(strncmp(dptr, hnfo->sname, hnfo->snlen) != 0)) {
(hnfo->sname == NULL ||
strncmp(dptr, hnfo->sname, hnfo->snlen) != 0)) {
dptr++;
continue;
}