[NETFILTER]: nf_conntrack_sip: check sname != NULL before calling strncmp
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>
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@ -330,7 +330,8 @@ int ct_sip_get_info(struct nf_conn *ct,
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while (dptr <= limit) {
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if ((strncmp(dptr, hnfo->lname, hnfo->lnlen) != 0) &&
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(strncmp(dptr, hnfo->sname, hnfo->snlen) != 0)) {
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(hnfo->sname == NULL ||
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strncmp(dptr, hnfo->sname, hnfo->snlen) != 0)) {
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dptr++;
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continue;
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}
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