diff options
Diffstat (limited to 'kernel/power/disk.c')
| -rw-r--r-- | kernel/power/disk.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c index 8df51c23bba..403bc3722fe 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -139,14 +139,19 @@ int pm_suspend_disk(void) mdelay(5000); goto Thaw; } + /* Allocate memory management structures */ + error = create_basic_memory_bitmaps(); + if (error) + goto Thaw; + /* Free memory before shutting down devices. */ error = swsusp_shrink_memory(); if (error) - goto Thaw; + goto Finish; error = platform_prepare(); if (error) - goto Thaw; + goto Finish; suspend_console(); error = device_suspend(PMSG_FREEZE); @@ -181,7 +186,7 @@ int pm_suspend_disk(void) power_down(); else { swsusp_free(); - goto Thaw; + goto Finish; } } else { pr_debug("PM: Image restored successfully.\n"); @@ -194,6 +199,8 @@ int pm_suspend_disk(void) platform_finish(); device_resume(); resume_console(); + Finish: + free_basic_memory_bitmaps(); Thaw: unprepare_processes(); return error; @@ -239,13 +246,15 @@ static int software_resume(void) } pr_debug("PM: Checking swsusp image.\n"); - error = swsusp_check(); if (error) - goto Done; + goto Unlock; - pr_debug("PM: Preparing processes for restore.\n"); + error = create_basic_memory_bitmaps(); + if (error) + goto Unlock; + pr_debug("PM: Preparing processes for restore.\n"); error = prepare_processes(); if (error) { swsusp_close(); @@ -280,7 +289,9 @@ static int software_resume(void) printk(KERN_ERR "PM: Restore failed, recovering.\n"); unprepare_processes(); Done: + free_basic_memory_bitmaps(); /* For success case, the suspend path will release the lock */ + Unlock: mutex_unlock(&pm_mutex); pr_debug("PM: Resume from disk failed.\n"); return 0; |