net_sched: check NULL on error path in route4_change()

[karo-tx-linux.git] / net / sched / cls_route.c

diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index a4ce39b19be0aaf2569def5342c000abd86d2e3d..455fc8f83d0ae0ab48ba97fc2a11ce99e8e00784 100644 (file)
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -559,7 +559,8 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
        return 0;
 
 errout:
-       tcf_exts_destroy(&f->exts);
+       if (f)
+               tcf_exts_destroy(&f->exts);
        kfree(f);
        return err;
 }