pkt_sched: cls_api: Move away from NLMSG_NEW().

And use nlmsg_data() while we're here too, as well as remove
a useless cast.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 5 deletions

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f452f696b4b3..6dd1131f2ec1 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -140,7 +140,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         int tp_created = 0;
 
 replay:
-        t = NLMSG_DATA(n);
+        t = nlmsg_data(n);
         protocol = TC_H_MIN(t->tcm_info);
         prio = TC_H_MAJ(t->tcm_info);
         nprio = prio;
@@ -349,8 +349,10 @@ static int tcf_fill_node(struct sk_buff *skb, struct tcf_proto *tp,
         struct nlmsghdr  *nlh;
         unsigned char *b = skb_tail_pointer(skb);
 
-        nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*tcm), flags);
-        tcm = NLMSG_DATA(nlh);
+        nlh = nlmsg_put(skb, pid, seq, event, sizeof(*tcm), flags);
+        if (!nlh)
+                goto out_nlmsg_trim;
+        tcm = nlmsg_data(nlh);
         tcm->tcm_family = AF_UNSPEC;
         tcm->tcm__pad1 = 0;
         tcm->tcm__pad2 = 0;
@@ -368,7 +370,7 @@ static int tcf_fill_node(struct sk_buff *skb, struct tcf_proto *tp,
         nlh->nlmsg_len = skb_tail_pointer(skb) - b;
         return skb->len;
 
-nlmsg_failure:
+out_nlmsg_trim:
 nla_put_failure:
         nlmsg_trim(skb, b);
         return -1;
@@ -418,7 +420,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
         struct net_device *dev;
         struct Qdisc *q;
         struct tcf_proto *tp, **chain;
-        struct tcmsg *tcm = (struct tcmsg *)NLMSG_DATA(cb->nlh);
+        struct tcmsg *tcm = nlmsg_data(cb->nlh);
         unsigned long cl = 0;
         const struct Qdisc_class_ops *cops;
         struct tcf_dump_args arg;