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Diffstat (limited to 'net/sched/act_api.c')
-rw-r--r--net/sched/act_api.c65
1 files changed, 33 insertions, 32 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index d8e0171d9a4b..972378f47f3c 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -153,7 +153,7 @@ int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
} else if (type == RTM_GETACTION) {
return tcf_dump_walker(skb, cb, a, hinfo);
} else {
- printk("tcf_generic_walker: unknown action %d\n", type);
+ WARN(1, "tcf_generic_walker: unknown action %d\n", type);
return -EINVAL;
}
}
@@ -403,8 +403,9 @@ void tcf_action_destroy(struct tc_action *act, int bind)
module_put(a->ops->owner);
act = act->next;
kfree(a);
- } else { /*FIXME: Remove later - catch insertion bugs*/
- printk("tcf_action_destroy: BUG? destroying NULL ops\n");
+ } else {
+ /*FIXME: Remove later - catch insertion bugs*/
+ WARN(1, "tcf_action_destroy: BUG? destroying NULL ops\n");
act = act->next;
kfree(a);
}
@@ -668,7 +669,8 @@ nlmsg_failure:
}
static int
-act_get_notify(u32 pid, struct nlmsghdr *n, struct tc_action *a, int event)
+act_get_notify(struct net *net, u32 pid, struct nlmsghdr *n,
+ struct tc_action *a, int event)
{
struct sk_buff *skb;
@@ -680,7 +682,7 @@ act_get_notify(u32 pid, struct nlmsghdr *n, struct tc_action *a, int event)
return -EINVAL;
}
- return rtnl_unicast(skb, &init_net, pid);
+ return rtnl_unicast(skb, net, pid);
}
static struct tc_action *
@@ -743,14 +745,15 @@ static struct tc_action *create_a(int i)
act = kzalloc(sizeof(*act), GFP_KERNEL);
if (act == NULL) {
- printk("create_a: failed to alloc!\n");
+ pr_debug("create_a: failed to alloc!\n");
return NULL;
}
act->order = i;
return act;
}
-static int tca_action_flush(struct nlattr *nla, struct nlmsghdr *n, u32 pid)
+static int tca_action_flush(struct net *net, struct nlattr *nla,
+ struct nlmsghdr *n, u32 pid)
{
struct sk_buff *skb;
unsigned char *b;
@@ -764,13 +767,13 @@ static int tca_action_flush(struct nlattr *nla, struct nlmsghdr *n, u32 pid)
int err = -ENOMEM;
if (a == NULL) {
- printk("tca_action_flush: couldnt create tc_action\n");
+ pr_debug("tca_action_flush: couldnt create tc_action\n");
return err;
}
skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
if (!skb) {
- printk("tca_action_flush: failed skb alloc\n");
+ pr_debug("tca_action_flush: failed skb alloc\n");
kfree(a);
return err;
}
@@ -809,7 +812,7 @@ static int tca_action_flush(struct nlattr *nla, struct nlmsghdr *n, u32 pid)
nlh->nlmsg_flags |= NLM_F_ROOT;
module_put(a->ops->owner);
kfree(a);
- err = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
+ err = rtnetlink_send(skb, net, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
if (err > 0)
return 0;
@@ -826,7 +829,8 @@ noflush_out:
}
static int
-tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event)
+tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n,
+ u32 pid, int event)
{
int i, ret;
struct nlattr *tb[TCA_ACT_MAX_PRIO+1];
@@ -838,7 +842,7 @@ tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event)
if (event == RTM_DELACTION && n->nlmsg_flags&NLM_F_ROOT) {
if (tb[1] != NULL)
- return tca_action_flush(tb[1], n, pid);
+ return tca_action_flush(net, tb[1], n, pid);
else
return -EINVAL;
}
@@ -859,7 +863,7 @@ tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event)
}
if (event == RTM_GETACTION)
- ret = act_get_notify(pid, n, head, event);
+ ret = act_get_notify(net, pid, n, head, event);
else { /* delete */
struct sk_buff *skb;
@@ -878,7 +882,7 @@ tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event)
/* now do the delete */
tcf_action_destroy(head, 0);
- ret = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC,
+ ret = rtnetlink_send(skb, net, pid, RTNLGRP_TC,
n->nlmsg_flags&NLM_F_ECHO);
if (ret > 0)
return 0;
@@ -889,8 +893,8 @@ err:
return ret;
}
-static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
- u16 flags)
+static int tcf_add_notify(struct net *net, struct tc_action *a,
+ u32 pid, u32 seq, int event, u16 flags)
{
struct tcamsg *t;
struct nlmsghdr *nlh;
@@ -923,7 +927,7 @@ static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
NETLINK_CB(skb).dst_group = RTNLGRP_TC;
- err = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
+ err = rtnetlink_send(skb, net, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
if (err > 0)
err = 0;
return err;
@@ -936,7 +940,8 @@ nlmsg_failure:
static int
-tcf_action_add(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int ovr)
+tcf_action_add(struct net *net, struct nlattr *nla, struct nlmsghdr *n,
+ u32 pid, int ovr)
{
int ret = 0;
struct tc_action *act;
@@ -954,7 +959,7 @@ tcf_action_add(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int ovr)
/* dump then free all the actions after update; inserted policy
* stays intact
* */
- ret = tcf_add_notify(act, pid, seq, RTM_NEWACTION, n->nlmsg_flags);
+ ret = tcf_add_notify(net, act, pid, seq, RTM_NEWACTION, n->nlmsg_flags);
for (a = act; a; a = act) {
act = a->next;
kfree(a);
@@ -970,15 +975,12 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
u32 pid = skb ? NETLINK_CB(skb).pid : 0;
int ret = 0, ovr = 0;
- if (!net_eq(net, &init_net))
- return -EINVAL;
-
ret = nlmsg_parse(n, sizeof(struct tcamsg), tca, TCA_ACT_MAX, NULL);
if (ret < 0)
return ret;
if (tca[TCA_ACT_TAB] == NULL) {
- printk("tc_ctl_action: received NO action attribs\n");
+ pr_notice("tc_ctl_action: received NO action attribs\n");
return -EINVAL;
}
@@ -995,15 +997,17 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
if (n->nlmsg_flags&NLM_F_REPLACE)
ovr = 1;
replay:
- ret = tcf_action_add(tca[TCA_ACT_TAB], n, pid, ovr);
+ ret = tcf_action_add(net, tca[TCA_ACT_TAB], n, pid, ovr);
if (ret == -EAGAIN)
goto replay;
break;
case RTM_DELACTION:
- ret = tca_action_gd(tca[TCA_ACT_TAB], n, pid, RTM_DELACTION);
+ ret = tca_action_gd(net, tca[TCA_ACT_TAB], n,
+ pid, RTM_DELACTION);
break;
case RTM_GETACTION:
- ret = tca_action_gd(tca[TCA_ACT_TAB], n, pid, RTM_GETACTION);
+ ret = tca_action_gd(net, tca[TCA_ACT_TAB], n,
+ pid, RTM_GETACTION);
break;
default:
BUG();
@@ -1043,7 +1047,6 @@ find_dump_kind(const struct nlmsghdr *n)
static int
tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = sock_net(skb->sk);
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
@@ -1053,11 +1056,8 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
struct nlattr *kind = find_dump_kind(cb->nlh);
- if (!net_eq(net, &init_net))
- return 0;
-
if (kind == NULL) {
- printk("tc_dump_action: action bad kind\n");
+ pr_info("tc_dump_action: action bad kind\n");
return 0;
}
@@ -1070,7 +1070,8 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
a.ops = a_o;
if (a_o->walk == NULL) {
- printk("tc_dump_action: %s !capable of dumping table\n", a_o->kind);
+ WARN(1, "tc_dump_action: %s !capable of dumping table\n",
+ a_o->kind);
goto nla_put_failure;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.