netfilter: xtables: provide invoked family value to extensions

By passing in the family through which extensions were invoked, a bit
of data space can be reclaimed. The "family" member will be added to
the parameter structures and the check functions be adjusted.

Signed-off-by: Jan Engelhardt <[email protected]>
Signed-off-by: Patrick McHardy <[email protected]>
This commit is contained in:
Jan Engelhardt 2008-10-08 11:35:20 +02:00 • committed by Patrick McHardy
commit 916a917dfe
7 changed files with 52 additions and 24 deletions

View file

@ -55,9 +55,9 @@ static int ipt_init_target(struct ipt_entry_target *t, char *table, unsigned int
par.target = target;
par.targinfo = t->data;
par.hook_mask = hook;
par.family = NFPROTO_IPV4;
ret = xt_check_target(&par, NFPROTO_IPV4,
t->u.target_size - sizeof(*t), 0, false);
ret = xt_check_target(&par, t->u.target_size - sizeof(*t), 0, false);
if (ret < 0) {
module_put(t->u.kernel.target->me);
return ret;