[PATCH 16/18] pkt_sched: cls_api: Move away from NLMSG_NEW().
From: David Miller <davem@davemloft.net>
Date: 2012-06-27 05:02:52
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
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> --- net/sched/cls_api.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f452f69..6dd1131 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;
--
1.7.10.2