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netfilter: xt_CT: fix error value in xt_ct_tg_check() 

If setting event mask fails then we were returning 0 for success.
This patch updates return code to -EINVAL in case of problem.

Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Eric Leblond 2014-01-02 10:03:45 +01:00 committed by Pablo Neira Ayuso
parent dcd93ed4cd
commit 14abfa161d
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/xt_CT.c
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@ -211,8 +211,10 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par,
ret = 0;
if ((info->ct_events || info->exp_events) &&
!nf_ct_ecache_ext_add(ct, info->ct_events, info->exp_events,
GFP_KERNEL))
GFP_KERNEL)) {
ret = -EINVAL;
goto err3;
}
if (info->helper[0]) {
ret = xt_ct_set_helper(ct, info->helper, par);