diff options
Diffstat (limited to 'kernel/power')
-rw-r--r-- | kernel/power/console.c | 10 | ||||
-rw-r--r-- | kernel/power/disk.c | 7 | ||||
-rw-r--r-- | kernel/power/swsusp.c | 2 | ||||
-rw-r--r-- | kernel/power/user.c | 9 |
4 files changed, 16 insertions, 12 deletions
diff --git a/kernel/power/console.c b/kernel/power/console.c index 623786d44159..89bcf4973ee5 100644 --- a/kernel/power/console.c +++ b/kernel/power/console.c @@ -27,7 +27,15 @@ int pm_prepare_console(void) return 1; } - set_console(SUSPEND_CONSOLE); + if (set_console(SUSPEND_CONSOLE)) { + /* + * We're unable to switch to the SUSPEND_CONSOLE. + * Let the calling function know so it can decide + * what to do. + */ + release_console_sem(); + return 1; + } release_console_sem(); if (vt_waitactive(SUSPEND_CONSOLE)) { diff --git a/kernel/power/disk.c b/kernel/power/disk.c index 406b20adb27a..aec19b063e3f 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -240,12 +240,6 @@ static int software_resume(void) goto Done; } - error = platform_prepare(); - if (error) { - swsusp_free(); - goto Thaw; - } - pr_debug("PM: Reading swsusp image.\n"); error = swsusp_read(); @@ -268,7 +262,6 @@ static int software_resume(void) enable_nonboot_cpus(); Free: swsusp_free(); - platform_finish(); device_resume(); resume_console(); Thaw: diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 7fb834397a0d..175370824f37 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -229,13 +229,13 @@ int swsusp_shrink_memory(void) size += highmem_size; for_each_zone (zone) if (populated_zone(zone)) { + tmp += snapshot_additional_pages(zone); if (is_highmem(zone)) { highmem_size -= zone_page_state(zone, NR_FREE_PAGES); } else { tmp -= zone_page_state(zone, NR_FREE_PAGES); tmp += zone->lowmem_reserve[ZONE_NORMAL]; - tmp += snapshot_additional_pages(zone); } } diff --git a/kernel/power/user.c b/kernel/power/user.c index dd09efe7df54..7cf6713b2325 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -368,9 +368,12 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, if (error) { printk(KERN_ERR "Failed to suspend some devices.\n"); } else { - /* Enter S3, system is already frozen */ - suspend_enter(PM_SUSPEND_MEM); - + error = disable_nonboot_cpus(); + if (!error) { + /* Enter S3, system is already frozen */ + suspend_enter(PM_SUSPEND_MEM); + enable_nonboot_cpus(); + } /* Wake up devices */ device_resume(); } |