netfilter: ebtables: fix one wrong return value

Usually -EINVAL is used when checkentry fails (see *_tables).

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index b489ed26..7d8ead5 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -699,7 +699,7 @@
 	} else if (t->u.target->checkentry &&
 	    !t->u.target->checkentry(name, e, NULL, t->data, hookmask)) {
 		module_put(t->u.target->me);
-		ret = -EFAULT;
+		ret = -EINVAL;
 		goto cleanup_watchers;
 	}
 	(*cnt)++;