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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-19 01:07:08 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-19 01:07:08 +0100
commitb38f67c4ae35eb4bcea0bf42a0a18a778a5d04c2 (patch)
tree16718edcebee40195a12dc01c7037b17c8f619f0 /kernel/power
parent9bad5845485ec22b31d4489c3bd6d96d78442437 (diff)
parent6a0c7cd33075f6b7f1d80145bb19812beb3fc5c9 (diff)
Merge branch 'pm-sleep'
* pm-sleep: PM / Hibernate: Do not crash kernel in free_basic_memory_bitmaps()
Diffstat (limited to 'kernel/power')
-rw-r--r--kernel/power/snapshot.c3
-rw-r--r--kernel/power/user.c1
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);