Merge branch 'pm-sleep'

* pm-sleep:
  PM / Hibernate: Do not crash kernel in free_basic_memory_bitmaps()

2 files changed, 3 insertions, 1 deletions

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 10c22cae83a0..b38109e204af 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -792,7 +792,8 @@ void free_basic_memory_bitmaps(void)
 {
         struct memory_bitmap *bm1, *bm2;
 
-        BUG_ON(!(forbidden_pages_map && free_pages_map));
+        if (WARN_ON(!(forbidden_pages_map && free_pages_map)))
+                return;
 
         bm1 = forbidden_pages_map;
         bm2 = free_pages_map;
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 24850270c802..98d357584cd6 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -70,6 +70,7 @@ static int snapshot_open(struct inode *inode, struct file *filp)
                 data->swap = swsusp_resume_device ?
                         swap_type_of(swsusp_resume_device, 0, NULL) : -1;
                 data->mode = O_RDONLY;
+                data->free_bitmaps = false;
                 error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE);
                 if (error)
                         pm_notifier_call_chain(PM_POST_HIBERNATION);