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Revert "net: sched: act: add extack for lookup callback"

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This reverts commit 331a9295de ("net: sched: act: add extack for lookup callback").

This extack is never used after 6 months... In fact, it can be just
set in the caller, right after ->lookup().

Cc: Alexander Aring <aring@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2018-08-29 10:15:35 -07:00 committed by David S. Miller
parent fd3c040b24
commit f061b48c17
18 changed files with 22 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/act_api.h
View File

@ -85,8 +85,7 @@ struct tc_action_ops {
struct tcf_result *); /* called under RCU BH lock*/
int (*dump)(struct sk_buff *, struct tc_action *, int, int);
void (*cleanup)(struct tc_action *);
int (*lookup)(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack);
int (*lookup)(struct net *net, struct tc_action **a, u32 index);
int (*init)(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **act, int ovr,
int bind, bool rtnl_held,

6
net/sched/act_api.c
View File

@ -1067,12 +1067,14 @@ static struct tc_action *tcf_action_get_1(struct net *net, struct nlattr *nla,
err = -EINVAL;
ops = tc_lookup_action(tb[TCA_ACT_KIND]);
if (!ops) { /* could happen in batch of actions */
NL_SET_ERR_MSG(extack, "Specified TC action not found");
NL_SET_ERR_MSG(extack, "Specified TC action kind not found");
goto err_out;
}
err = -ENOENT;
if (ops->lookup(net, &a, index, extack) == 0)
if (ops->lookup(net, &a, index) == 0) {
NL_SET_ERR_MSG(extack, "TC action with specified index not found");
goto err_mod;
}
module_put(ops->owner);
return a;

3
net/sched/act_bpf.c
View File

@ -387,8 +387,7 @@ static int tcf_bpf_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_bpf_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_bpf_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);

3
net/sched/act_connmark.c
View File

@ -190,8 +190,7 @@ static int tcf_connmark_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_connmark_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_connmark_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);

3
net/sched/act_csum.c
View File

@ -646,8 +646,7 @@ static int tcf_csum_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_csum_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_csum_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);

3
net/sched/act_gact.c
View File

@ -222,8 +222,7 @@ static int tcf_gact_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_gact_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_gact_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);

3
net/sched/act_ife.c
View File

@ -841,8 +841,7 @@ static int tcf_ife_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_ife_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_ife_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, ife_net_id);

6
net/sched/act_ipt.c
View File

@ -329,8 +329,7 @@ static int tcf_ipt_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_ipt_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_ipt_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
@ -379,8 +378,7 @@ static int tcf_xt_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_xt_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_xt_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);

3
net/sched/act_mirred.c
View File

@ -338,8 +338,7 @@ static int tcf_mirred_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_mirred_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_mirred_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);

3
net/sched/act_nat.c
View File

@ -292,8 +292,7 @@ static int tcf_nat_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_nat_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_nat_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);

3
net/sched/act_pedit.c
View File

@ -452,8 +452,7 @@ static int tcf_pedit_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_pedit_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_pedit_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);

3
net/sched/act_police.c
View File

@ -312,8 +312,7 @@ nla_put_failure:
return -1;
}
static int tcf_police_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_police_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, police_net_id);

3
net/sched/act_sample.c
View File

@ -224,8 +224,7 @@ static int tcf_sample_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_sample_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_sample_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);

3
net/sched/act_simple.c
View File

@ -188,8 +188,7 @@ static int tcf_simp_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_simp_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_simp_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);

3
net/sched/act_skbedit.c
View File

@ -291,8 +291,7 @@ static int tcf_skbedit_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_skbedit_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_skbedit_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);

3
net/sched/act_skbmod.c
View File

@ -251,8 +251,7 @@ static int tcf_skbmod_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_skbmod_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_skbmod_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, skbmod_net_id);

3
net/sched/act_tunnel_key.c
View File

@ -540,8 +540,7 @@ static int tunnel_key_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tunnel_key_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tunnel_key_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);

3
net/sched/act_vlan.c
View File

@ -288,8 +288,7 @@ static int tcf_vlan_walker(struct net *net, struct sk_buff *skb,
return tcf_generic_walker(tn, skb, cb, type, ops, extack);
}
static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index,
struct netlink_ext_ack *extack)
static int tcf_vlan_search(struct net *net, struct tc_action **a, u32 index)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);