[NETFILTER]: ipt action: use xt_check_target for basic verification

The targets don't do the basic verification themselves anymore so
the ipt action needs to take care of it.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 6056d20ef429..37640c6fc014 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -69,6 +69,11 @@ ipt_init_target(struct ipt_entry_target *t, char *table, unsigned int hook)
         DPRINTK("ipt_init_target: found %s\n", target->name);
         t->u.kernel.target = target;
 
+        ret = xt_check_target(target, AF_INET, t->u.target_size - sizeof(*t),
+                              table, hook, 0, 0);
+        if (ret)
+                return ret;
+
         if (t->u.kernel.target->checkentry
             && !t->u.kernel.target->checkentry(table, NULL,
                                                t->u.kernel.target, t->data,