net: sched: cls: use nla_nest_cancel instead of nlmsg_trim

To cancel nesting, this function is more convenient.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 098a27360b91..2ecd24688554 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -593,7 +593,6 @@ static int route4_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
                        struct sk_buff *skb, struct tcmsg *t)
 {
         struct route4_filter *f = (struct route4_filter *)fh;
-        unsigned char *b = skb_tail_pointer(skb);
         struct nlattr *nest;
         u32 id;
 
@@ -635,7 +634,7 @@ static int route4_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
         return skb->len;
 
 nla_put_failure:
-        nlmsg_trim(skb, b);
+        nla_nest_cancel(skb, nest);
         return -1;
 }