diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/power/hibernate.c | 11 | ||||
-rw-r--r-- | kernel/power/swap.c | 43 |
2 files changed, 30 insertions, 24 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 04b3a83d686f..04a9e90d248f 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c | |||
@@ -693,21 +693,22 @@ static int software_resume(void) | |||
693 | /* The snapshot device should not be opened while we're running */ | 693 | /* The snapshot device should not be opened while we're running */ |
694 | if (!atomic_add_unless(&snapshot_device_available, -1, 0)) { | 694 | if (!atomic_add_unless(&snapshot_device_available, -1, 0)) { |
695 | error = -EBUSY; | 695 | error = -EBUSY; |
696 | swsusp_close(FMODE_READ); | ||
696 | goto Unlock; | 697 | goto Unlock; |
697 | } | 698 | } |
698 | 699 | ||
699 | pm_prepare_console(); | 700 | pm_prepare_console(); |
700 | error = pm_notifier_call_chain(PM_RESTORE_PREPARE); | 701 | error = pm_notifier_call_chain(PM_RESTORE_PREPARE); |
701 | if (error) | 702 | if (error) |
702 | goto Finish; | 703 | goto close_finish; |
703 | 704 | ||
704 | error = usermodehelper_disable(); | 705 | error = usermodehelper_disable(); |
705 | if (error) | 706 | if (error) |
706 | goto Finish; | 707 | goto close_finish; |
707 | 708 | ||
708 | error = create_basic_memory_bitmaps(); | 709 | error = create_basic_memory_bitmaps(); |
709 | if (error) | 710 | if (error) |
710 | goto Finish; | 711 | goto close_finish; |
711 | 712 | ||
712 | pr_debug("PM: Preparing processes for restore.\n"); | 713 | pr_debug("PM: Preparing processes for restore.\n"); |
713 | error = prepare_processes(); | 714 | error = prepare_processes(); |
@@ -719,6 +720,7 @@ static int software_resume(void) | |||
719 | pr_debug("PM: Reading hibernation image.\n"); | 720 | pr_debug("PM: Reading hibernation image.\n"); |
720 | 721 | ||
721 | error = swsusp_read(&flags); | 722 | error = swsusp_read(&flags); |
723 | swsusp_close(FMODE_READ); | ||
722 | if (!error) | 724 | if (!error) |
723 | hibernation_restore(flags & SF_PLATFORM_MODE); | 725 | hibernation_restore(flags & SF_PLATFORM_MODE); |
724 | 726 | ||
@@ -737,6 +739,9 @@ static int software_resume(void) | |||
737 | mutex_unlock(&pm_mutex); | 739 | mutex_unlock(&pm_mutex); |
738 | pr_debug("PM: Resume from disk failed.\n"); | 740 | pr_debug("PM: Resume from disk failed.\n"); |
739 | return error; | 741 | return error; |
742 | close_finish: | ||
743 | swsusp_close(FMODE_READ); | ||
744 | goto Finish; | ||
740 | } | 745 | } |
741 | 746 | ||
742 | late_initcall(software_resume); | 747 | late_initcall(software_resume); |
diff --git a/kernel/power/swap.c b/kernel/power/swap.c index b101cdc4df3f..890f6b11b1d3 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c | |||
@@ -314,7 +314,6 @@ static int save_image(struct swap_map_handle *handle, | |||
314 | { | 314 | { |
315 | unsigned int m; | 315 | unsigned int m; |
316 | int ret; | 316 | int ret; |
317 | int error = 0; | ||
318 | int nr_pages; | 317 | int nr_pages; |
319 | int err2; | 318 | int err2; |
320 | struct bio *bio; | 319 | struct bio *bio; |
@@ -329,26 +328,27 @@ static int save_image(struct swap_map_handle *handle, | |||
329 | nr_pages = 0; | 328 | nr_pages = 0; |
330 | bio = NULL; | 329 | bio = NULL; |
331 | do_gettimeofday(&start); | 330 | do_gettimeofday(&start); |
332 | do { | 331 | while (1) { |
333 | ret = snapshot_read_next(snapshot, PAGE_SIZE); | 332 | ret = snapshot_read_next(snapshot, PAGE_SIZE); |
334 | if (ret > 0) { | 333 | if (ret <= 0) |
335 | error = swap_write_page(handle, data_of(*snapshot), | 334 | break; |
336 | &bio); | 335 | ret = swap_write_page(handle, data_of(*snapshot), &bio); |
337 | if (error) | 336 | if (ret) |
338 | break; | 337 | break; |
339 | if (!(nr_pages % m)) | 338 | if (!(nr_pages % m)) |
340 | printk("\b\b\b\b%3d%%", nr_pages / m); | 339 | printk("\b\b\b\b%3d%%", nr_pages / m); |
341 | nr_pages++; | 340 | nr_pages++; |
342 | } | 341 | } |
343 | } while (ret > 0); | ||
344 | err2 = wait_on_bio_chain(&bio); | 342 | err2 = wait_on_bio_chain(&bio); |
345 | do_gettimeofday(&stop); | 343 | do_gettimeofday(&stop); |
346 | if (!error) | 344 | if (!ret) |
347 | error = err2; | 345 | ret = err2; |
348 | if (!error) | 346 | if (!ret) |
349 | printk("\b\b\b\bdone\n"); | 347 | printk("\b\b\b\bdone\n"); |
348 | else | ||
349 | printk("\n"); | ||
350 | swsusp_show_speed(&start, &stop, nr_to_write, "Wrote"); | 350 | swsusp_show_speed(&start, &stop, nr_to_write, "Wrote"); |
351 | return error; | 351 | return ret; |
352 | } | 352 | } |
353 | 353 | ||
354 | /** | 354 | /** |
@@ -536,7 +536,8 @@ static int load_image(struct swap_map_handle *handle, | |||
536 | snapshot_write_finalize(snapshot); | 536 | snapshot_write_finalize(snapshot); |
537 | if (!snapshot_image_loaded(snapshot)) | 537 | if (!snapshot_image_loaded(snapshot)) |
538 | error = -ENODATA; | 538 | error = -ENODATA; |
539 | } | 539 | } else |
540 | printk("\n"); | ||
540 | swsusp_show_speed(&start, &stop, nr_to_read, "Read"); | 541 | swsusp_show_speed(&start, &stop, nr_to_read, "Read"); |
541 | return error; | 542 | return error; |
542 | } | 543 | } |
@@ -572,8 +573,6 @@ int swsusp_read(unsigned int *flags_p) | |||
572 | error = load_image(&handle, &snapshot, header->pages - 1); | 573 | error = load_image(&handle, &snapshot, header->pages - 1); |
573 | release_swap_reader(&handle); | 574 | release_swap_reader(&handle); |
574 | 575 | ||
575 | blkdev_put(resume_bdev, FMODE_READ); | ||
576 | |||
577 | if (!error) | 576 | if (!error) |
578 | pr_debug("PM: Image successfully loaded\n"); | 577 | pr_debug("PM: Image successfully loaded\n"); |
579 | else | 578 | else |
@@ -596,7 +595,7 @@ int swsusp_check(void) | |||
596 | error = bio_read_page(swsusp_resume_block, | 595 | error = bio_read_page(swsusp_resume_block, |
597 | swsusp_header, NULL); | 596 | swsusp_header, NULL); |
598 | if (error) | 597 | if (error) |
599 | return error; | 598 | goto put; |
600 | 599 | ||
601 | if (!memcmp(SWSUSP_SIG, swsusp_header->sig, 10)) { | 600 | if (!memcmp(SWSUSP_SIG, swsusp_header->sig, 10)) { |
602 | memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); | 601 | memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); |
@@ -604,8 +603,10 @@ int swsusp_check(void) | |||
604 | error = bio_write_page(swsusp_resume_block, | 603 | error = bio_write_page(swsusp_resume_block, |
605 | swsusp_header, NULL); | 604 | swsusp_header, NULL); |
606 | } else { | 605 | } else { |
607 | return -EINVAL; | 606 | error = -EINVAL; |
608 | } | 607 | } |
608 | |||
609 | put: | ||
609 | if (error) | 610 | if (error) |
610 | blkdev_put(resume_bdev, FMODE_READ); | 611 | blkdev_put(resume_bdev, FMODE_READ); |
611 | else | 612 | else |