diff options
Diffstat (limited to 'kernel/power/hibernate.c')
| -rw-r--r-- | kernel/power/hibernate.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 0a186cfde78..8b53db38a27 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -16,7 +16,6 @@ #include <linux/string.h> #include <linux/device.h> #include <linux/async.h> -#include <linux/kmod.h> #include <linux/delay.h> #include <linux/fs.h> #include <linux/mount.h> @@ -26,6 +25,8 @@ #include <linux/freezer.h> #include <linux/gfp.h> #include <linux/syscore_ops.h> +#include <linux/ctype.h> +#include <linux/genhd.h> #include <scsi/scsi_scan.h> #include "power.h" @@ -611,14 +612,10 @@ int hibernate(void) if (error) goto Exit; - error = usermodehelper_disable(); - if (error) - goto Exit; - /* Allocate memory management structures */ error = create_basic_memory_bitmaps(); if (error) - goto Enable_umh; + goto Exit; printk(KERN_INFO "PM: Syncing filesystems ... "); sys_sync(); @@ -661,8 +658,6 @@ int hibernate(void) Free_bitmaps: free_basic_memory_bitmaps(); - Enable_umh: - usermodehelper_enable(); Exit: pm_notifier_call_chain(PM_POST_HIBERNATION); pm_restore_console(); @@ -729,6 +724,17 @@ static int software_resume(void) /* Check if the device is there */ swsusp_resume_device = name_to_dev_t(resume_file); + + /* + * name_to_dev_t is ineffective to verify parition if resume_file is in + * integer format. (e.g. major:minor) + */ + if (isdigit(resume_file[0]) && resume_wait) { + int partno; + while (!get_gendisk(swsusp_resume_device, &partno)) + msleep(10); + } + if (!swsusp_resume_device) { /* * Some device discovery might still be in progress; we need @@ -777,15 +783,9 @@ static int software_resume(void) if (error) goto close_finish; - error = usermodehelper_disable(); - if (error) - goto close_finish; - error = create_basic_memory_bitmaps(); - if (error) { - usermodehelper_enable(); + if (error) goto close_finish; - } pr_debug("PM: Preparing processes for restore.\n"); error = freeze_processes(); @@ -806,7 +806,6 @@ static int software_resume(void) thaw_processes(); Done: free_basic_memory_bitmaps(); - usermodehelper_enable(); Finish: pm_notifier_call_chain(PM_POST_RESTORE); pm_restore_console(); |