pkt_sched: sch_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>
This commit is contained in:
David S. Miller 2012-06-26 21:50:05 -07:00
parent 942b81653a
commit 02ef22ca40

View file

@ -973,7 +973,7 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
struct net *net = sock_net(skb->sk);
struct tcmsg *tcm = NLMSG_DATA(n);
struct tcmsg *tcm = nlmsg_data(n);
struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
u32 clid = tcm->tcm_parent;
@ -1046,7 +1046,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
replay:
/* Reinit, just in case something touches this. */
tcm = NLMSG_DATA(n);
tcm = nlmsg_data(n);
clid = tcm->tcm_parent;
q = p = NULL;
@ -1193,8 +1193,10 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
struct gnet_dump d;
struct qdisc_size_table *stab;
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;
@ -1230,7 +1232,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
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;
@ -1366,7 +1368,7 @@ done:
static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
struct net *net = sock_net(skb->sk);
struct tcmsg *tcm = NLMSG_DATA(n);
struct tcmsg *tcm = nlmsg_data(n);
struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
struct Qdisc *q = NULL;
@ -1498,8 +1500,10 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
struct gnet_dump d;
const struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
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;
@ -1525,7 +1529,7 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
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;
@ -1616,7 +1620,7 @@ static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb,
static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
{
struct tcmsg *tcm = (struct tcmsg *)NLMSG_DATA(cb->nlh);
struct tcmsg *tcm = nlmsg_data(cb->nlh);
struct net *net = sock_net(skb->sk);
struct netdev_queue *dev_queue;
struct net_device *dev;