The memory allocated in cgroup_add_cftypes() should be freed. The
effect of this bug is we leak a bit memory everytime we unload
cfq-iosched module if blkio cgroup is enabled.
Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx>
---
kernel/cgroup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e2dcf08..1d5b1d6 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2879,7 +2879,8 @@ int cgroup_rm_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
list_for_each_entry(set, &ss->cftsets, node) {
if (set->cfts == cfts) {
- list_del_init(&set->node);
+ list_del(&set->node);
+ kfree(set);
cgroup_cfts_commit(ss, cfts, false);
return 0;
}
--
1.8.0.2
--
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