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-rw-r--r--net/sched/act_api.c2
-rw-r--r--net/sched/act_bpf.c8
-rw-r--r--net/sched/act_connmark.c5
-rw-r--r--net/sched/act_csum.c8
-rw-r--r--net/sched/act_gact.c5
-rw-r--r--net/sched/act_ife.c10
-rw-r--r--net/sched/act_ipt.c5
-rw-r--r--net/sched/act_mirred.c5
-rw-r--r--net/sched/act_nat.c5
-rw-r--r--net/sched/act_pedit.c2
-rw-r--r--net/sched/act_police.c8
-rw-r--r--net/sched/act_sample.c8
-rw-r--r--net/sched/act_simple.c5
-rw-r--r--net/sched/act_skbedit.c5
-rw-r--r--net/sched/act_skbmod.c8
-rw-r--r--net/sched/act_tunnel_key.c11
-rw-r--r--net/sched/act_vlan.c8
17 files changed, 50 insertions, 58 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index a023873db713..f019f0464cec 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -870,8 +870,6 @@ int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
}
act->order = i;
sz += tcf_action_fill_size(act);
- if (ovr)
- refcount_inc(&act->tcfa_refcnt);
list_add_tail(&act->list, actions);
}
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index 7941dd66ff83..d3f4ac6f2c4b 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -311,9 +311,10 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
if (bind)
return 0;
- tcf_idr_release(*act, bind);
- if (!replace)
+ if (!replace) {
+ tcf_idr_release(*act, bind);
return -EEXIST;
+ }
}
is_bpf = tb[TCA_ACT_BPF_OPS_LEN] && tb[TCA_ACT_BPF_OPS];
@@ -356,8 +357,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
return res;
out:
- if (res == ACT_P_CREATED)
- tcf_idr_release(*act, bind);
+ tcf_idr_release(*act, bind);
return ret;
}
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 143c2d3de723..701e90244eff 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -135,9 +135,10 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
ci = to_connmark(*a);
if (bind)
return 0;
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
/* replacing action and zone */
ci->tcf_action = parm->action;
ci->zone = parm->zone;
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 3768539340e0..5dbee136b0a1 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -76,9 +76,10 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla,
} else {
if (bind)/* dont override defaults */
return 0;
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
}
p = to_tcf_csum(*a);
@@ -86,8 +87,7 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla,
params_new = kzalloc(sizeof(*params_new), GFP_KERNEL);
if (unlikely(!params_new)) {
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
return -ENOMEM;
}
params_old = rtnl_dereference(p->params);
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index a431a711f0dd..11c4de3f344e 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -100,9 +100,10 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
} else {
if (bind)/* dont override defaults */
return 0;
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
}
gact = to_gact(*a);
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index 89a761395c94..acea3feae762 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -498,12 +498,10 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
return ret;
}
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr) {
- kfree(p);
- return -EEXIST;
- }
+ kfree(p);
+ return -EEXIST;
}
ife = to_ife(*a);
@@ -548,6 +546,8 @@ metadata_parse_err:
if (exists)
spin_unlock_bh(&ife->tcf_lock);
+ tcf_idr_release(*a, bind);
+
kfree(p);
return err;
}
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 6c234411c771..85e85dfba401 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -145,10 +145,11 @@ static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla,
} else {
if (bind)/* dont override defaults */
return 0;
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
}
hook = nla_get_u32(tb[TCA_IPT_HOOK]);
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 3d8300bce7e4..e08aed06d7f8 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -132,10 +132,9 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
if (ret)
return ret;
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr)
- return -EEXIST;
+ return -EEXIST;
}
m = to_mirred(*a);
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 9eb27c89dc46..1f91e8e66c0f 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -66,9 +66,10 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
} else {
if (bind)
return 0;
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
}
p = to_tcf_nat(*a);
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 45871052840f..3a0e2f762f4e 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -194,8 +194,8 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
} else {
if (bind)
goto out_free;
- tcf_idr_release(*a, bind);
if (!ovr) {
+ tcf_idr_release(*a, bind);
ret = -EEXIST;
goto out_free;
}
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index c955fb0d4f3f..99335cca739e 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -111,10 +111,9 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla,
if (ret)
return ret;
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr)
- return -EEXIST;
+ return -EEXIST;
}
police = to_police(*a);
@@ -195,8 +194,7 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla,
failure:
qdisc_put_rtab(P_tab);
qdisc_put_rtab(R_tab);
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
return err;
}
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 6f79d2afcba2..a8582e1347db 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -69,10 +69,9 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
if (ret)
return ret;
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr)
- return -EEXIST;
+ return -EEXIST;
}
s = to_sample(*a);
@@ -81,8 +80,7 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
s->psample_group_num = nla_get_u32(tb[TCA_SAMPLE_PSAMPLE_GROUP]);
psample_group = psample_group_get(net, s->psample_group_num);
if (!psample_group) {
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
return -ENOMEM;
}
RCU_INIT_POINTER(s->psample_group, psample_group);
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 446c750f3d3c..2da47c682a30 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -127,9 +127,10 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
} else {
d = to_defact(*a);
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
reset_policy(d, tb[TCA_DEF_DATA], parm);
}
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index b3eaa120c7f4..4616a2c1821f 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -172,9 +172,10 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
ret = ACT_P_CREATED;
} else {
d = to_skbedit(*a);
- tcf_idr_release(*a, bind);
- if (!ovr)
+ if (!ovr) {
+ tcf_idr_release(*a, bind);
return -EEXIST;
+ }
}
spin_lock_bh(&d->tcf_lock);
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index 30be3f767495..e844381af066 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -145,10 +145,9 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla,
return ret;
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr)
- return -EEXIST;
+ return -EEXIST;
}
d = to_skbmod(*a);
@@ -156,8 +155,7 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla,
ASSERT_RTNL();
p = kzalloc(sizeof(struct tcf_skbmod_params), GFP_KERNEL);
if (unlikely(!p)) {
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
return -ENOMEM;
}
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index 655ed0b3fc67..ab5bf5c13f87 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -329,12 +329,10 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
}
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr) {
- NL_SET_ERR_MSG(extack, "TC IDR already exists");
- return -EEXIST;
- }
+ NL_SET_ERR_MSG(extack, "TC IDR already exists");
+ return -EEXIST;
}
t = to_tunnel_key(*a);
@@ -342,8 +340,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
ASSERT_RTNL();
params_new = kzalloc(sizeof(*params_new), GFP_KERNEL);
if (unlikely(!params_new)) {
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
NL_SET_ERR_MSG(extack, "Cannot allocate tunnel key parameters");
return -ENOMEM;
}
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index e334d2751784..9b600faaccbb 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -187,10 +187,9 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
return ret;
ret = ACT_P_CREATED;
- } else {
+ } else if (!ovr) {
tcf_idr_release(*a, bind);
- if (!ovr)
- return -EEXIST;
+ return -EEXIST;
}
v = to_vlan(*a);
@@ -198,8 +197,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
ASSERT_RTNL();
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p) {
- if (ret == ACT_P_CREATED)
- tcf_idr_release(*a, bind);
+ tcf_idr_release(*a, bind);
return -ENOMEM;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.