freezer_cg: use thaw_process() in unfreeze_cgroup()

[deliverable/linux.git] / kernel / cgroup_freezer.c

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index e9c856a265c962abfd885e912bfe010893e2b259..5e6d26b66e88200206a584f3daf7a1c287247651 100644 (file)
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -275,25 +275,18 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
        return num_cant_freeze_now ? -EBUSY : 0;
 }
 
-static int unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
+static void unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
 {
        struct cgroup_iter it;
        struct task_struct *task;
 
        cgroup_iter_start(cgroup, &it);
        while ((task = cgroup_iter_next(cgroup, &it))) {
-               int do_wake;
-
-               task_lock(task);
-               do_wake = __thaw_process(task);
-               task_unlock(task);
-               if (do_wake)
-                       wake_up_process(task);
+               thaw_process(task);
        }
        cgroup_iter_end(cgroup, &it);
-       freezer->state = CGROUP_THAWED;
 
-       return 0;
+       freezer->state = CGROUP_THAWED;
 }
 
 static int freezer_change_state(struct cgroup *cgroup,
@@ -320,7 +313,7 @@ static int freezer_change_state(struct cgroup *cgroup,
                }
                /* state == FREEZING and goal_state == THAWED, so unfreeze */
        case CGROUP_FROZEN:
-               retval = unfreeze_cgroup(cgroup, freezer);
+               unfreeze_cgroup(cgroup, freezer);
                break;
        default:
                break;