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_fw.c b/net/sched/cls_fw.c
index 23fda2ac0d19..a5269f76004c 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -356,7 +356,6 @@ static int fw_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
 {
         struct fw_head *head = rtnl_dereference(tp->root);
         struct fw_filter *f = (struct fw_filter *)fh;
-        unsigned char *b = skb_tail_pointer(skb);
         struct nlattr *nest;
 
         if (f == NULL)
@@ -397,7 +396,7 @@ static int fw_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;
 }