}
/* called when adding new meta information
- * under ife->tcf_lock for existing action
*/
-static int load_metaops_and_vet(struct tcf_ife_info *ife, u32 metaid,
- void *val, int len, bool exists)
+static int load_metaops_and_vet(u32 metaid, void *val, int len)
{
struct tcf_meta_ops *ops = find_ife_oplist(metaid);
int ret = 0;
if (!ops) {
ret = -ENOENT;
#ifdef CONFIG_MODULES
- if (exists)
- spin_unlock_bh(&ife->tcf_lock);
rtnl_unlock();
request_module("ifemeta%u", metaid);
rtnl_lock();
- if (exists)
- spin_lock_bh(&ife->tcf_lock);
ops = find_ife_oplist(metaid);
#endif
}
}
/* called when adding new meta information
- * under ife->tcf_lock for existing action
*/
static int add_metainfo(struct tcf_ife_info *ife, u32 metaid, void *metaval,
- int len, bool atomic)
+ int len, bool atomic, bool exists)
{
struct tcf_meta_info *mi = NULL;
struct tcf_meta_ops *ops = find_ife_oplist(metaid);
}
}
+ if (exists)
+ spin_lock_bh(&ife->tcf_lock);
list_add_tail(&mi->metalist, &ife->metalist);
+ if (exists)
+ spin_unlock_bh(&ife->tcf_lock);
return ret;
}
-static int use_all_metadata(struct tcf_ife_info *ife)
+static int use_all_metadata(struct tcf_ife_info *ife, bool exists)
{
struct tcf_meta_ops *o;
int rc = 0;
read_lock(&ife_mod_lock);
list_for_each_entry(o, &ifeoplist, list) {
- rc = add_metainfo(ife, o->metaid, NULL, 0, true);
+ rc = add_metainfo(ife, o->metaid, NULL, 0, true, exists);
if (rc == 0)
installed += 1;
}
spin_unlock_bh(&ife->tcf_lock);
}
-/* under ife->tcf_lock for existing action */
static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb,
bool exists)
{
val = nla_data(tb[i]);
len = nla_len(tb[i]);
- rc = load_metaops_and_vet(ife, i, val, len, exists);
+ rc = load_metaops_and_vet(i, val, len);
if (rc != 0)
return rc;
- rc = add_metainfo(ife, i, val, len, exists);
+ rc = add_metainfo(ife, i, val, len, false, exists);
if (rc)
return rc;
}
if (exists)
spin_lock_bh(&ife->tcf_lock);
ife->tcf_action = parm->action;
+ if (exists)
+ spin_unlock_bh(&ife->tcf_lock);
if (parm->flags & IFE_ENCODE) {
if (daddr)
tcf_hash_release(*a, bind);
if (ret == ACT_P_CREATED)
_tcf_ife_cleanup(*a, bind);
-
- if (exists)
- spin_unlock_bh(&ife->tcf_lock);
return err;
}
* as we can. You better have at least one else we are
* going to bail out
*/
- err = use_all_metadata(ife);
+ err = use_all_metadata(ife, exists);
if (err) {
if (ret == ACT_P_CREATED)
_tcf_ife_cleanup(*a, bind);
-
- if (exists)
- spin_unlock_bh(&ife->tcf_lock);
return err;
}
}
- if (exists)
- spin_unlock_bh(&ife->tcf_lock);
-
if (ret == ACT_P_CREATED)
tcf_hash_insert(tn, *a);