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Date: Fri, 5 Dec 2014 15:50:23 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, jhs@...atatu.com
Subject: [patch net-next 2/2] 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@...nulli.us>
---
net/sched/cls_cgroup.c | 3 +--
net/sched/cls_flow.c | 2 +-
net/sched/cls_fw.c | 3 +--
net/sched/cls_route.c | 3 +--
net/sched/cls_rsvp.h | 3 +--
net/sched/cls_tcindex.c | 3 +--
6 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 741bfa7..221697a 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -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;
}
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 8e22718..15d68f2 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -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;
}
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 23fda2a..a5269f7 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -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;
}
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 098a273..2ecd246 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -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;
}
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index b7af362..edd8ade 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -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;
}
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 0d9d891..48d5e7b 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -489,7 +489,6 @@ 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",
@@ -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;
}
--
1.9.3
--
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