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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>
This commit is contained in:
Jiri Pirko 2014-12-09 22:23:29 +01:00 committed by David S. Miller
parent f9c5c62db1
commit 6ea3b446b9
6 changed files with 8 additions and 13 deletions
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3
net/sched/cls_cgroup.c
View File

@ -177,7 +177,6 @@ static int cls_cgroup_dump(struct net *net, struct tcf_proto *tp, unsigned long
struct sk_buff *skb, struct tcmsg *t)
{
struct cls_cgroup_head *head = rtnl_dereference(tp->root);
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
t->tcm_handle = head->handle;
@ -198,7 +197,7 @@ static int cls_cgroup_dump(struct net *net, struct tcf_proto *tp, unsigned long
return skb->len;
nla_put_failure:
nlmsg_trim(skb, b);
nla_nest_cancel(skb, nest);
return -1;
}

2
net/sched/cls_flow.c
View File

@ -638,7 +638,7 @@ static int flow_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
return skb->len;
nla_put_failure:
nlmsg_trim(skb, nest);
nla_nest_cancel(skb, nest);
return -1;
}

3
net/sched/cls_fw.c
View File

@ -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;
}

3
net/sched/cls_route.c
View File

@ -593,7 +593,6 @@ static int route4_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
struct sk_buff *skb, struct tcmsg *t)
{
struct route4_filter *f = (struct route4_filter *)fh;
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
u32 id;
@ -635,7 +634,7 @@ static int route4_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;
}

3
net/sched/cls_rsvp.h
View File

@ -653,7 +653,6 @@ static int rsvp_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
{
struct rsvp_filter *f = (struct rsvp_filter *)fh;
struct rsvp_session *s;
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
struct tc_rsvp_pinfo pinfo;
@ -694,7 +693,7 @@ static int rsvp_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;
}

7
net/sched/cls_tcindex.c
View File

@ -489,11 +489,10 @@ static int tcindex_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
{
struct tcindex_data *p = rtnl_dereference(tp->root);
struct tcindex_filter_result *r = (struct tcindex_filter_result *) fh;
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
pr_debug("tcindex_dump(tp %p,fh 0x%lx,skb %p,t %p),p %p,r %p,b %p\n",
tp, fh, skb, t, p, r, b);
pr_debug("tcindex_dump(tp %p,fh 0x%lx,skb %p,t %p),p %p,r %p\n",
tp, fh, skb, t, p, r);
pr_debug("p->perfect %p p->h %p\n", p->perfect, p->h);
nest = nla_nest_start(skb, TCA_OPTIONS);
@ -543,7 +542,7 @@ static int tcindex_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;
}