Fix cls_u32 error return handling.

changeset bf1b803b from mainline.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

net/sched/cls_u32.c

@@ -518,7 +518,7 @@ static int u32_set_parms(struct tcf_proto *tp, unsigned long base,
 
 #ifdef CONFIG_NET_CLS_IND
 	if (tb[TCA_U32_INDEV-1]) {
-		int err = tcf_change_indev(tp, n->indev, tb[TCA_U32_INDEV-1]);
+		err = tcf_change_indev(tp, n->indev, tb[TCA_U32_INDEV-1]);
 		if (err < 0)
 			goto errout;
 	}