tc: propogate errors from tcf_hash_create
Allow tcf_hash_create to return different errors on estimator failure.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 8f457f1..9d03cc3 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -214,12 +214,14 @@
}
EXPORT_SYMBOL(tcf_hash_check);
-struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, int size, int bind, u32 *idx_gen, struct tcf_hashinfo *hinfo)
+struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est,
+ struct tc_action *a, int size, int bind,
+ u32 *idx_gen, struct tcf_hashinfo *hinfo)
{
struct tcf_common *p = kzalloc(size, GFP_KERNEL);
if (unlikely(!p))
- return p;
+ return ERR_PTR(-ENOMEM);
p->tcfc_refcnt = 1;
if (bind)
p->tcfc_bindcnt = 1;
@@ -228,9 +230,15 @@
p->tcfc_index = index ? index : tcf_hash_new_index(idx_gen, hinfo);
p->tcfc_tm.install = jiffies;
p->tcfc_tm.lastuse = jiffies;
- if (est)
- gen_new_estimator(&p->tcfc_bstats, &p->tcfc_rate_est,
- &p->tcfc_lock, est);
+ if (est) {
+ int err = gen_new_estimator(&p->tcfc_bstats, &p->tcfc_rate_est,
+ &p->tcfc_lock, est);
+ if (err) {
+ kfree(p);
+ return ERR_PTR(err);
+ }
+ }
+
a->priv = (void *) p;
return p;
}
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index ac04289..e7f796a 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -88,8 +88,8 @@
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*gact),
bind, &gact_idx_gen, &gact_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (!ovr) {
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 0453d79..082c520 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -136,8 +136,8 @@
if (!pc) {
pc = tcf_hash_create(index, est, a, sizeof(*ipt), bind,
&ipt_idx_gen, &ipt_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (!ovr) {
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 70341c0..b9aaab4 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -105,8 +105,8 @@
return -EINVAL;
pc = tcf_hash_create(parm->index, est, a, sizeof(*m), bind,
&mirred_idx_gen, &mirred_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
ret = ACT_P_CREATED;
} else {
if (!ovr) {
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 7b39ed4..d885ba3 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -68,8 +68,8 @@
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
&nat_idx_gen, &nat_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
p = to_tcf_nat(pc);
ret = ACT_P_CREATED;
} else {
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index d5f4e34..96c0ed1 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -68,8 +68,8 @@
return -EINVAL;
pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
&pedit_idx_gen, &pedit_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
p = to_pedit(pc);
keys = kmalloc(ksize, GFP_KERNEL);
if (keys == NULL) {
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index e7851ce..8daa1eb 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -124,8 +124,8 @@
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind,
&simp_idx_gen, &simp_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
d = to_defact(pc);
ret = alloc_defdata(d, defdata);
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index fe9777e..4ab916b 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -104,8 +104,8 @@
if (!pc) {
pc = tcf_hash_create(parm->index, est, a, sizeof(*d), bind,
&skbedit_idx_gen, &skbedit_hash_info);
- if (unlikely(!pc))
- return -ENOMEM;
+ if (IS_ERR(pc))
+ return PTR_ERR(pc);
d = to_skbedit(pc);
ret = ACT_P_CREATED;