pkt_sched: act_api: Move away from NLMSG_PUT().

Move away from NLMSG_NEW() as well.

And use nlmsg_data() while we're here too.

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

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 5cfb160..e3d2c78 100644 (file)
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -652,27 +652,27 @@ tca_get_fill(struct sk_buff *skb, struct tc_action *a, u32 pid, u32 seq,
        unsigned char *b = skb_tail_pointer(skb);
        struct nlattr *nest;
 
-       nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
-
-       t = NLMSG_DATA(nlh);
+       nlh = nlmsg_put(skb, pid, seq, event, sizeof(*t), flags);
+       if (!nlh)
+               goto out_nlmsg_trim;
+       t = nlmsg_data(nlh);
        t->tca_family = AF_UNSPEC;
        t->tca__pad1 = 0;
        t->tca__pad2 = 0;
 
        nest = nla_nest_start(skb, TCA_ACT_TAB);
        if (nest == NULL)
-               goto nla_put_failure;
+               goto out_nlmsg_trim;
 
        if (tcf_action_dump(skb, a, bind, ref) < 0)
-               goto nla_put_failure;
+               goto out_nlmsg_trim;
 
        nla_nest_end(skb, nest);
 
        nlh->nlmsg_len = skb_tail_pointer(skb) - b;
        return skb->len;
 
-nla_put_failure:
-nlmsg_failure:
+out_nlmsg_trim:
        nlmsg_trim(skb, b);
        return -1;
 }
@@ -799,19 +799,21 @@ static int tca_action_flush(struct net *net, struct nlattr *nla,
        if (a->ops == NULL)
                goto err_out;
 
-       nlh = NLMSG_PUT(skb, pid, n->nlmsg_seq, RTM_DELACTION, sizeof(*t));
-       t = NLMSG_DATA(nlh);
+       nlh = nlmsg_put(skb, pid, n->nlmsg_seq, RTM_DELACTION, sizeof(*t), 0);
+       if (!nlh)
+               goto out_module_put;
+       t = nlmsg_data(nlh);
        t->tca_family = AF_UNSPEC;
        t->tca__pad1 = 0;
        t->tca__pad2 = 0;
 
        nest = nla_nest_start(skb, TCA_ACT_TAB);
        if (nest == NULL)
-               goto nla_put_failure;
+               goto out_module_put;
 
        err = a->ops->walk(skb, &dcb, RTM_DELACTION, a);
        if (err < 0)
-               goto nla_put_failure;
+               goto out_module_put;
        if (err == 0)
                goto noflush_out;
 
@@ -828,8 +830,7 @@ static int tca_action_flush(struct net *net, struct nlattr *nla,
 
        return err;
 
-nla_put_failure:
-nlmsg_failure:
+out_module_put:
        module_put(a->ops->owner);
 err_out:
 noflush_out:
@@ -919,18 +920,20 @@ static int tcf_add_notify(struct net *net, struct tc_action *a,
 
        b = skb_tail_pointer(skb);
 
-       nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
-       t = NLMSG_DATA(nlh);
+       nlh = nlmsg_put(skb, pid, seq, event, sizeof(*t), flags);
+       if (!nlh)
+               goto out_kfree_skb;
+       t = nlmsg_data(nlh);
        t->tca_family = AF_UNSPEC;
        t->tca__pad1 = 0;
        t->tca__pad2 = 0;
 
        nest = nla_nest_start(skb, TCA_ACT_TAB);
        if (nest == NULL)
-               goto nla_put_failure;
+               goto out_kfree_skb;
 
        if (tcf_action_dump(skb, a, 0, 0) < 0)
-               goto nla_put_failure;
+               goto out_kfree_skb;
 
        nla_nest_end(skb, nest);
 
@@ -942,8 +945,7 @@ static int tcf_add_notify(struct net *net, struct tc_action *a,
                err = 0;
        return err;
 
-nla_put_failure:
-nlmsg_failure:
+out_kfree_skb:
        kfree_skb(skb);
        return -1;
 }
@@ -1062,7 +1064,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
        struct tc_action_ops *a_o;
        struct tc_action a;
        int ret = 0;
-       struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
+       struct tcamsg *t = (struct tcamsg *) nlmsg_data(cb->nlh);
        struct nlattr *kind = find_dump_kind(cb->nlh);
 
        if (kind == NULL) {
@@ -1080,23 +1082,25 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
        if (a_o->walk == NULL) {
                WARN(1, "tc_dump_action: %s !capable of dumping table\n",
                     a_o->kind);
-               goto nla_put_failure;
+               goto out_module_put;
        }
 
-       nlh = NLMSG_PUT(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
-                       cb->nlh->nlmsg_type, sizeof(*t));
-       t = NLMSG_DATA(nlh);
+       nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
+                       cb->nlh->nlmsg_type, sizeof(*t), 0);
+       if (!nlh)
+               goto out_module_put;
+       t = nlmsg_data(nlh);
        t->tca_family = AF_UNSPEC;
        t->tca__pad1 = 0;
        t->tca__pad2 = 0;
 
        nest = nla_nest_start(skb, TCA_ACT_TAB);
        if (nest == NULL)
-               goto nla_put_failure;
+               goto out_module_put;
 
        ret = a_o->walk(skb, cb, RTM_GETACTION, &a);
        if (ret < 0)
-               goto nla_put_failure;
+               goto out_module_put;
 
        if (ret > 0) {
                nla_nest_end(skb, nest);
@@ -1110,8 +1114,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
        module_put(a_o->owner);
        return skb->len;
 
-nla_put_failure:
-nlmsg_failure:
+out_module_put:
        module_put(a_o->owner);
        nlmsg_trim(skb, b);
        return skb->len;