Merge branch 'pm-sleep'

* pm-sleep:
  PM / hibernate: Fix rtree_next_node() to avoid walking off list ends
  x86/power/64: Use __pa() for physical address computation
  PM / sleep: Update some system sleep documentation

1 files changed, 5 insertions, 5 deletions

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 9a0178c2ac1d..b02228411d57 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -835,9 +835,9 @@ 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();
@@ -845,9 +845,9 @@ 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;