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Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/act_tunnel_key.c22
-rw-r--r--net/sched/cls_api.c17
-rw-r--r--net/sched/cls_flower.c43
3 files changed, 35 insertions, 47 deletions
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index 3beb4717d3b7..7c6591b991d5 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -201,14 +201,9 @@ static void tunnel_key_release_params(struct tcf_tunnel_key_params *p)
{
if (!p)
return;
- if (p->tcft_action == TCA_TUNNEL_KEY_ACT_SET) {
-#ifdef CONFIG_DST_CACHE
- struct ip_tunnel_info *info = &p->tcft_enc_metadata->u.tun_info;
-
- dst_cache_destroy(&info->dst_cache);
-#endif
+ if (p->tcft_action == TCA_TUNNEL_KEY_ACT_SET)
dst_release(&p->tcft_enc_metadata->dst);
- }
+
kfree_rcu(p, rcu);
}
@@ -338,7 +333,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
&metadata->u.tun_info,
opts_len, extack);
if (ret < 0)
- goto release_dst_cache;
+ goto release_tun_meta;
}
metadata->u.tun_info.mode |= IP_TUNNEL_INFO_TX;
@@ -354,14 +349,14 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
&act_tunnel_key_ops, bind, true);
if (ret) {
NL_SET_ERR_MSG(extack, "Cannot create TC IDR");
- goto release_dst_cache;
+ goto release_tun_meta;
}
ret = ACT_P_CREATED;
} else if (!ovr) {
NL_SET_ERR_MSG(extack, "TC IDR already exists");
ret = -EEXIST;
- goto release_dst_cache;
+ goto release_tun_meta;
}
t = to_tunnel_key(*a);
@@ -371,7 +366,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
NL_SET_ERR_MSG(extack, "Cannot allocate tunnel key parameters");
ret = -ENOMEM;
exists = true;
- goto release_dst_cache;
+ goto release_tun_meta;
}
params_new->tcft_action = parm->t_action;
params_new->tcft_enc_metadata = metadata;
@@ -388,12 +383,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
return ret;
-release_dst_cache:
-#ifdef CONFIG_DST_CACHE
- if (metadata)
- dst_cache_destroy(&metadata->u.tun_info.dst_cache);
release_tun_meta:
-#endif
if (metadata)
dst_release(&metadata->dst);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 478095d50f95..2c2aac4ac721 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -470,10 +470,9 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act,
{
struct tcf_block *block = chain->block;
const struct tcf_proto_ops *tmplt_ops;
- bool is_last, free_block = false;
+ bool free_block = false;
unsigned int refcnt;
void *tmplt_priv;
- u32 chain_index;
mutex_lock(&block->lock);
if (explicitly_created) {
@@ -492,23 +491,21 @@ static void __tcf_chain_put(struct tcf_chain *chain, bool by_act,
* save these to temporary variables.
*/
refcnt = --chain->refcnt;
- is_last = refcnt - chain->action_refcnt == 0;
tmplt_ops = chain->tmplt_ops;
tmplt_priv = chain->tmplt_priv;
- chain_index = chain->index;
-
- if (refcnt == 0)
- free_block = tcf_chain_detach(chain);
- mutex_unlock(&block->lock);
/* The last dropped non-action reference will trigger notification. */
- if (is_last && !by_act) {
- tc_chain_notify_delete(tmplt_ops, tmplt_priv, chain_index,
+ if (refcnt - chain->action_refcnt == 0 && !by_act) {
+ tc_chain_notify_delete(tmplt_ops, tmplt_priv, chain->index,
block, NULL, 0, 0, false);
/* Last reference to chain, no need to lock. */
chain->flushing = false;
}
+ if (refcnt == 0)
+ free_block = tcf_chain_detach(chain);
+ mutex_unlock(&block->lock);
+
if (refcnt == 0) {
tc_chain_tmplt_del(tmplt_ops, tmplt_priv);
tcf_chain_destroy(chain, free_block);
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 27300a3e76c7..c04247b403ed 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1348,46 +1348,46 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
if (err < 0)
goto errout;
- if (!handle) {
- handle = 1;
- err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
- INT_MAX, GFP_KERNEL);
- } else if (!fold) {
- /* user specifies a handle and it doesn't exist */
- err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
- handle, GFP_KERNEL);
- }
- if (err)
- goto errout;
- fnew->handle = handle;
-
if (tb[TCA_FLOWER_FLAGS]) {
fnew->flags = nla_get_u32(tb[TCA_FLOWER_FLAGS]);
if (!tc_flags_valid(fnew->flags)) {
err = -EINVAL;
- goto errout_idr;
+ goto errout;
}
}
err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr,
tp->chain->tmplt_priv, extack);
if (err)
- goto errout_idr;
+ goto errout;
err = fl_check_assign_mask(head, fnew, fold, mask);
if (err)
- goto errout_idr;
+ goto errout;
+
+ if (!handle) {
+ handle = 1;
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ INT_MAX, GFP_KERNEL);
+ } else if (!fold) {
+ /* user specifies a handle and it doesn't exist */
+ err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
+ handle, GFP_KERNEL);
+ }
+ if (err)
+ goto errout_mask;
+ fnew->handle = handle;
if (!fold && __fl_lookup(fnew->mask, &fnew->mkey)) {
err = -EEXIST;
- goto errout_mask;
+ goto errout_idr;
}
err = rhashtable_insert_fast(&fnew->mask->ht, &fnew->ht_node,
fnew->mask->filter_ht_params);
if (err)
- goto errout_mask;
+ goto errout_idr;
if (!tc_skip_hw(fnew->flags)) {
err = fl_hw_replace_filter(tp, fnew, extack);
@@ -1426,12 +1426,13 @@ errout_mask_ht:
rhashtable_remove_fast(&fnew->mask->ht, &fnew->ht_node,
fnew->mask->filter_ht_params);
-errout_mask:
- fl_mask_put(head, fnew->mask, false);
-
errout_idr:
if (!fold)
idr_remove(&head->handle_idr, fnew->handle);
+
+errout_mask:
+ fl_mask_put(head, fnew->mask, false);
+
errout:
tcf_exts_destroy(&fnew->exts);
kfree(fnew);
generated by cgit (git 2.34.1) at 2024-06-15 01:35:36 +0000