PM / Hibernate: use rb_entry

Since the software suspend extents are organized in an rbtree, use rb_entry
instead of container_of, as it is semantically more appropriate in order to
get a node as it is iterated.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 3c9d764eb0d8..7c33ed200410 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -126,7 +126,7 @@ static int swsusp_extents_insert(unsigned long swap_offset)
 
         /* Figure out where to put the new node */
         while (*new) {
-                ext = container_of(*new, struct swsusp_extent, node);
+                ext = rb_entry(*new, struct swsusp_extent, node);
                 parent = *new;
                 if (swap_offset < ext->start) {
                         /* Try to merge */