295 	int error;  in create_image()  local
297 	error = dpm_suspend_end(PMSG_FREEZE);  in create_image()
298 	if (error) {  in create_image()
300 		return error;  in create_image()
303 	error = platform_pre_snapshot(platform_mode);  in create_image()
304 	if (error || hibernation_test(TEST_PLATFORM))  in create_image()
307 	error = pm_sleep_disable_secondary_cpus();  in create_image()
308 	if (error || hibernation_test(TEST_CPUS))  in create_image()
315 	error = syscore_suspend();  in create_image()
316 	if (error) {  in create_image()
327 	error = swsusp_arch_suspend();  in create_image()
331 	if (error)  in create_image()
332 		pr_err("Error %d creating image\n", error);  in create_image()
353 		error = arch_resume_nosmt();  in create_image()
359 		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);  in create_image()
361 	return error;  in create_image()
373 	int error;  in hibernation_snapshot()  local
376 	error = platform_begin(platform_mode);  in hibernation_snapshot()
377 	if (error)  in hibernation_snapshot()
381 	error = hibernate_preallocate_memory();  in hibernation_snapshot()
382 	if (error)  in hibernation_snapshot()
385 	error = freeze_kernel_threads();  in hibernation_snapshot()
386 	if (error)  in hibernation_snapshot()
399 	error = dpm_prepare(PMSG_FREEZE);  in hibernation_snapshot()
400 	if (error) {  in hibernation_snapshot()
408 	error = dpm_suspend(PMSG_FREEZE);  in hibernation_snapshot()
410 	if (error || hibernation_test(TEST_DEVICES))  in hibernation_snapshot()
413 		error = create_image(platform_mode);  in hibernation_snapshot()
422 	if (error || !in_suspend)  in hibernation_snapshot()
425 	msg = in_suspend ? (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE;  in hibernation_snapshot()
428 	if (error || !in_suspend)  in hibernation_snapshot()
436 	return error;  in hibernation_snapshot()
461 	int error;  in resume_target_kernel()  local
463 	error = dpm_suspend_end(PMSG_QUIESCE);  in resume_target_kernel()
464 	if (error) {  in resume_target_kernel()
466 		return error;  in resume_target_kernel()
469 	error = platform_pre_restore(platform_mode);  in resume_target_kernel()
470 	if (error)  in resume_target_kernel()
475 	error = hibernate_resume_nonboot_cpu_disable();  in resume_target_kernel()
476 	if (error)  in resume_target_kernel()
482 	error = syscore_suspend();  in resume_target_kernel()
483 	if (error)  in resume_target_kernel()
487 	error = restore_highmem();  in resume_target_kernel()
488 	if (!error) {  in resume_target_kernel()
489 		error = swsusp_arch_resume();  in resume_target_kernel()
495 		BUG_ON(!error);  in resume_target_kernel()
525 	return error;  in resume_target_kernel()
538 	int error;  in hibernation_restore()  local
543 	error = dpm_suspend_start(PMSG_QUIESCE);  in hibernation_restore()
544 	if (!error) {  in hibernation_restore()
545 		error = resume_target_kernel(platform_mode);  in hibernation_restore()
551 		BUG_ON(!error);  in hibernation_restore()
557 	return error;  in hibernation_restore()
565 	int error;  in hibernation_platform_enter()  local
575 	error = hibernation_ops->begin(PMSG_HIBERNATE);  in hibernation_platform_enter()
576 	if (error)  in hibernation_platform_enter()
581 	error = dpm_suspend_start(PMSG_HIBERNATE);  in hibernation_platform_enter()
582 	if (error) {  in hibernation_platform_enter()
588 	error = dpm_suspend_end(PMSG_HIBERNATE);  in hibernation_platform_enter()
589 	if (error)  in hibernation_platform_enter()
592 	error = hibernation_ops->prepare();  in hibernation_platform_enter()
593 	if (error)  in hibernation_platform_enter()
596 	error = pm_sleep_disable_secondary_cpus();  in hibernation_platform_enter()
597 	if (error)  in hibernation_platform_enter()
604 		error = -EAGAIN;  in hibernation_platform_enter()
633 	return error;  in hibernation_platform_enter()
646 	int error;  in power_down()  local
649 		error = suspend_devices_and_enter(mem_sleep_current);  in power_down()
650 		if (error) {  in power_down()
656 			error = swsusp_unmark();  in power_down()
657 			if (error)  in power_down()
689 	int error;  in load_image_and_restore()  local
695 	error = create_basic_memory_bitmaps();  in load_image_and_restore()
696 	if (error) {  in load_image_and_restore()
701 	error = swsusp_read(&flags);  in load_image_and_restore()
703 	if (!error)  in load_image_and_restore()
704 		error = hibernation_restore(flags & SF_PLATFORM_MODE);  in load_image_and_restore()
712 	return error;  in load_image_and_restore()
722 	int error;  in hibernate()  local
732 		error = -EBUSY;  in hibernate()
738 	error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);  in hibernate()
739 	if (error)  in hibernate()
744 	error = freeze_processes();  in hibernate()
745 	if (error)  in hibernate()
750 	error = create_basic_memory_bitmaps();  in hibernate()
751 	if (error)  in hibernate()
754 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);  in hibernate()
755 	if (error || freezer_test_done)  in hibernate()
769 		error = swsusp_write(flags);  in hibernate()
771 		if (!error) {  in hibernate()
789 		error = swsusp_check(false);  in hibernate()
790 		if (!error)  in hibernate()
791 			error = load_image_and_restore(false);  in hibernate()
806 	return error;  in hibernate()
819 	int error;  in hibernate_quiet_exec()  local
824 		error = -EBUSY;  in hibernate_quiet_exec()
830 	error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);  in hibernate_quiet_exec()
831 	if (error)  in hibernate_quiet_exec()
834 	error = freeze_processes();  in hibernate_quiet_exec()
835 	if (error)  in hibernate_quiet_exec()
842 	error = platform_begin(true);  in hibernate_quiet_exec()
843 	if (error)  in hibernate_quiet_exec()
846 	error = freeze_kernel_threads();  in hibernate_quiet_exec()
847 	if (error)  in hibernate_quiet_exec()
850 	error = dpm_prepare(PMSG_FREEZE);  in hibernate_quiet_exec()
851 	if (error)  in hibernate_quiet_exec()
856 	error = dpm_suspend(PMSG_FREEZE);  in hibernate_quiet_exec()
857 	if (error)  in hibernate_quiet_exec()
860 	error = dpm_suspend_end(PMSG_FREEZE);  in hibernate_quiet_exec()
861 	if (error)  in hibernate_quiet_exec()
864 	error = platform_pre_snapshot(true);  in hibernate_quiet_exec()
865 	if (error)  in hibernate_quiet_exec()
868 	error = func(data);  in hibernate_quiet_exec()
903 	return error;  in hibernate_quiet_exec()
940 	int error;  in software_resume()  local
948 	error = swsusp_check(true);  in software_resume()
949 	if (error)  in software_resume()
954 		error = -EBUSY;  in software_resume()
961 	error = pm_notifier_call_chain_robust(PM_RESTORE_PREPARE, PM_POST_RESTORE);  in software_resume()
962 	if (error)  in software_resume()
966 	error = freeze_processes();  in software_resume()
967 	if (error)  in software_resume()
970 	error = freeze_kernel_threads();  in software_resume()
971 	if (error) {  in software_resume()
976 	error = load_image_and_restore(true);  in software_resume()
982 	pr_info("resume failed (%d)\n", error);  in software_resume()
988 	return error;  in software_resume()
1018 		int error = find_resume_device();  in software_resume_initcall()  local
1020 		if (error)  in software_resume_initcall()
1021 			return error;  in software_resume_initcall()
1105 	int error = 0;  in disk_store()  local
1138 				error = -EINVAL;  in disk_store()
1141 		error = -EINVAL;  in disk_store()
1143 	if (!error)  in disk_store()
1147 	return error ? error : n;  in disk_store()
1166 	int error;  in resume_store()  local
1177 	error = lookup_bdev(name, &dev);  in resume_store()
1178 	if (error) {  in resume_store()
1182 		error = 0;  in resume_store()
1188 				error = -EINVAL;  in resume_store()
1192 				error = -EINVAL;  in resume_store()
1196 	if (error)  in resume_store()
1197 		return error;  in resume_store()