iMX/i2som-imx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "device_cgroup: fix RCU usage"

Browse Source 
This reverts commit c5ee58688b,
which was commit 201e72acb2 upstream.

Herton Ronaldo Krzesinski pointed out that the race condition this
dealt with does not exist in 3.2.y.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
This commit is contained in:
Ben Hutchings
2012-12-07 01:41:33 +00:00
parent 20c7bbdde3
commit b17d8aeb43
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
security/device_cgroup.c
View File

@ -202,8 +202,8 @@ static void devcgroup_destroy(struct cgroup_subsys *ss,
dev_cgroup = cgroup_to_devcgroup(cgroup);
list_for_each_entry_safe(wh, tmp, &dev_cgroup->whitelist, list) {
list_del_rcu(&wh->list);
kfree_rcu(wh, rcu);
list_del(&wh->list);
kfree(wh);
}
kfree(dev_cgroup);
}
@ -278,7 +278,7 @@ static int may_access_whitelist(struct dev_cgroup *c,
{
struct dev_whitelist_item *whitem;
list_for_each_entry_rcu(whitem, &c->whitelist, list) {
list_for_each_entry(whitem, &c->whitelist, list) {
if (whitem->type & DEV_ALL)
return 1;
if ((refwh->type & DEV_BLOCK) && !(whitem->type & DEV_BLOCK))