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Commit f061b48c authored by Cong Wang's avatar Cong Wang Committed by David S. Miller
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Revert "net: sched: act: add extack for lookup callback" 

This reverts commit 331a9295 ("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: default avatarCong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fd3c040b
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Showing with 22 additions and 38 deletions
include/net/act_api.h
View file @ f061b48c
......@@ -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,
......
net/sched/act_api.c
View file @ f061b48c
......@@ -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;
......
net/sched/act_bpf.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_connmark.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_csum.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_gact.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_ife.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_ipt.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_mirred.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_nat.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_pedit.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_police.c
View file @ f061b48c
......@@ -312,8 +312,7 @@ static int tcf_police_dump(struct sk_buff *skb, struct tc_action *a,
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);
......
net/sched/act_sample.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_simple.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_skbedit.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_skbmod.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_tunnel_key.c
View file @ f061b48c
......@@ -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);
......
net/sched/act_vlan.c
View file @ f061b48c
......@@ -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);
......
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