[PATCH 4/4] PM: convert do_each_thread to for_each_process_thread

[Michal Hocko]

as per 0c740d0afc3b (introduce for_each_thread() to replace the buggy
while_each_thread()) get rid of do_each_thread { } while_each_thread()
construct and replace it by a more error prone for_each_thread.

This patch doesn't introduce any user visible change.

Suggested-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
---
 kernel/power/process.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/power/process.c b/kernel/power/process.c
index a397fa161d11..7fd7b72554fe 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -46,13 +46,13 @@ static int try_to_freeze_tasks(bool user_only)
 	while (true) {
 		todo = 0;
 		read_lock(&tasklist_lock);
-		do_each_thread(g, p) {
+		for_each_process_thread(g, p) {
 			if (p == current || !freeze_task(p))
 				continue;
 
 			if (!freezer_should_skip(p))
 				todo++;
-		} while_each_thread(g, p);
+		}
 		read_unlock(&tasklist_lock);
 
 		if (!user_only) {
@@ -93,11 +93,11 @@ static int try_to_freeze_tasks(bool user_only)
 
 		if (!wakeup) {
 			read_lock(&tasklist_lock);
-			do_each_thread(g, p) {
+			for_each_process_thread(g, p) {
 				if (p != current && !freezer_should_skip(p)
 				    && freezing(p) && !frozen(p))
 					sched_show_task(p);
-			} while_each_thread(g, p);
+			}
 			read_unlock(&tasklist_lock);
 		}
 	} else {
@@ -219,11 +219,11 @@ void thaw_processes(void)
 	thaw_workqueues();
 
 	read_lock(&tasklist_lock);
-	do_each_thread(g, p) {
+	for_each_process_thread(g, p) {
 		/* No other threads should have PF_SUSPEND_TASK set */
 		WARN_ON((p != curr) && (p->flags & PF_SUSPEND_TASK));
 		__thaw_task(p);
-	} while_each_thread(g, p);
+	}
 	read_unlock(&tasklist_lock);
 
 	WARN_ON(!(curr->flags & PF_SUSPEND_TASK));
@@ -246,10 +246,10 @@ void thaw_kernel_threads(void)
 	thaw_workqueues();
 
 	read_lock(&tasklist_lock);
-	do_each_thread(g, p) {
+	for_each_process_thread(g, p) {
 		if (p->flags & (PF_KTHREAD | PF_WQ_WORKER))
 			__thaw_task(p);
-	} while_each_thread(g, p);
+	}
 	read_unlock(&tasklist_lock);
 
 	schedule();
-- 
2.1.1

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