[PATCH 2/3] mm/kmemleak.c: Use list_for_each_entry_safe to reconstruct function scan_gray_list

[majianpeng <majianpeng@xxxxxxxxx>]

Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
---
 mm/kmemleak.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index b1525db..f0ece93 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1225,22 +1225,16 @@ static void scan_gray_list(void)
      * from inside the loop. The kmemleak objects cannot be freed from
      * outside the loop because their use_count was incremented.
      */
-    object = list_entry(gray_list.next, typeof(*object), gray_list);
-    while (&object->gray_list != &gray_list) {
+    list_for_each_entry_safe(object, tmp, &gray_list, gray_list) {
         cond_resched();
 
         /* may add new objects to the list */
         if (!scan_should_stop())
             scan_object(object);
 
-        tmp = list_entry(object->gray_list.next, typeof(*object),
-                 gray_list);
-
         /* remove the object from the list and release it */
         list_del(&object->gray_list);
         put_object(object);
-
-        object = tmp;
     }
     WARN_ON(!list_empty(&gray_list));
 }
-- 
1.8.3.rc1.44.gb387c77

>From 095c9fc03bacb14a896cc9b56c7e2e3843c6051b Mon Sep 17 00:00:00 2001
From: Jianpeng Ma <majianpeng@xxxxxxxxx>
Date: Tue, 14 May 2013 15:36:14 +0800
Subject: [PATCH 2/3] mm/kmemleak.c: Use list_for_each_entry_safe to
 reconstruct function scan_gray_list.

Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
---
 mm/kmemleak.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index b1525db..f0ece93 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1225,22 +1225,16 @@ static void scan_gray_list(void)
 	 * from inside the loop. The kmemleak objects cannot be freed from
 	 * outside the loop because their use_count was incremented.
 	 */
-	object = list_entry(gray_list.next, typeof(*object), gray_list);
-	while (&object->gray_list != &gray_list) {
+	list_for_each_entry_safe(object, tmp, &gray_list, gray_list) {
 		cond_resched();
 
 		/* may add new objects to the list */
 		if (!scan_should_stop())
 			scan_object(object);
 
-		tmp = list_entry(object->gray_list.next, typeof(*object),
-				 gray_list);
-
 		/* remove the object from the list and release it */
 		list_del(&object->gray_list);
 		put_object(object);
-
-		object = tmp;
 	}
 	WARN_ON(!list_empty(&gray_list));
 }
-- 
1.8.3.rc1.44.gb387c77