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>
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index da35ac0..5929be6 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -211,8 +211,10 @@
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);