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-rw-r--r--kernel/power/snapshot.c10
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;