Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / kernel / power / snapshot.c

diff --git a/kernel/kernel/power/snapshot.c b/kernel/kernel/power/snapshot.c
index 3a97060..f155c62 100644 (file)
--- a/kernel/kernel/power/snapshot.c
+++ b/kernel/kernel/power/snapshot.c
@@ -765,9 +765,9 @@ static bool memory_bm_pfn_present(struct memory_bitmap *bm, unsigned long pfn)
  */
 static bool rtree_next_node(struct memory_bitmap *bm)
 {
-       bm->cur.node = list_entry(bm->cur.node->list.next,
-                                 struct rtree_node, list);
-       if (&bm->cur.node->list != &bm->cur.zone->leaves) {
+       if (!list_is_last(&bm->cur.node->list, &bm->cur.zone->leaves)) {
+               bm->cur.node = list_entry(bm->cur.node->list.next,
+                                         struct rtree_node, list);
                bm->cur.node_pfn += BM_BITS_PER_BLOCK;
                bm->cur.node_bit  = 0;
                touch_softlockup_watchdog();
@@ -775,9 +775,9 @@ static bool rtree_next_node(struct memory_bitmap *bm)
        }
 
        /* No more nodes, goto next zone */
-       bm->cur.zone = list_entry(bm->cur.zone->list.next,
+       if (!list_is_last(&bm->cur.zone->list, &bm->zones)) {
+               bm->cur.zone = list_entry(bm->cur.zone->list.next,
                                  struct mem_zone_bm_rtree, list);
-       if (&bm->cur.zone->list != &bm->zones) {
                bm->cur.node = list_entry(bm->cur.zone->leaves.next,
                                          struct rtree_node, list);
                bm->cur.node_pfn = 0;