Merge branch 'linus' into x86/cpu, to pick up fixes

[cascardo/linux.git] / mm / kasan / quarantine.c

diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 4973505..65793f1 100644 (file)
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -238,30 +238,23 @@ static void qlist_move_cache(struct qlist_head *from,
                                   struct qlist_head *to,
                                   struct kmem_cache *cache)
 {
-       struct qlist_node *prev = NULL, *curr;
+       struct qlist_node *curr;
 
        if (unlikely(qlist_empty(from)))
                return;
 
        curr = from->head;
+       qlist_init(from);
        while (curr) {
-               struct qlist_node *qlink = curr;
-               struct kmem_cache *obj_cache = qlink_to_cache(qlink);
-
-               if (obj_cache == cache) {
-                       if (unlikely(from->head == qlink)) {
-                               from->head = curr->next;
-                               prev = curr;
-                       } else
-                               prev->next = curr->next;
-                       if (unlikely(from->tail == qlink))
-                               from->tail = curr->next;
-                       from->bytes -= cache->size;
-                       qlist_put(to, qlink, cache->size);
-               } else {
-                       prev = curr;
-               }
-               curr = curr->next;
+               struct qlist_node *next = curr->next;
+               struct kmem_cache *obj_cache = qlink_to_cache(curr);
+
+               if (obj_cache == cache)
+                       qlist_put(to, curr, obj_cache->size);
+               else
+                       qlist_put(from, curr, obj_cache->size);
+
+               curr = next;
        }
 }