51 	int error;  in snapshot_open()  local
59 		error = -EBUSY;  in snapshot_open()
65 		error = -ENOSYS;  in snapshot_open()
77 		error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);  in snapshot_open()
87 		error = pm_notifier_call_chain_robust(PM_RESTORE_PREPARE, PM_POST_RESTORE);  in snapshot_open()
88 		if (!error) {  in snapshot_open()
89 			error = create_basic_memory_bitmaps();  in snapshot_open()
90 			data->free_bitmaps = !error;  in snapshot_open()
93 	if (error)  in snapshot_open()
104 	return error;  in snapshot_open()
252 	int error = 0;  in snapshot_ioctl()  local
283 		error = freeze_processes();  in snapshot_ioctl()
284 		if (error)  in snapshot_ioctl()
287 		error = create_basic_memory_bitmaps();  in snapshot_ioctl()
288 		if (error)  in snapshot_ioctl()
307 			error = -EPERM;  in snapshot_ioctl()
311 		error = hibernation_snapshot(data->platform_support);  in snapshot_ioctl()
312 		if (!error) {  in snapshot_ioctl()
313 			error = put_user(in_suspend, (int __user *)arg);  in snapshot_ioctl()
314 			data->ready = !freezer_test_done && !error;  in snapshot_ioctl()
323 			error = -EPERM;  in snapshot_ioctl()
326 		error = hibernation_restore(data->platform_support);  in snapshot_ioctl()
350 			error = -ENODATA;  in snapshot_ioctl()
355 		error = put_user(size, (loff_t __user *)arg);  in snapshot_ioctl()
361 		error = put_user(size, (loff_t __user *)arg);  in snapshot_ioctl()
366 			error = -ENODEV;  in snapshot_ioctl()
372 			error = put_user(offset, (loff_t __user *)arg);  in snapshot_ioctl()
374 			error = -ENOSPC;  in snapshot_ioctl()
380 			error = -ENODEV;  in snapshot_ioctl()
388 			error = -EPERM;  in snapshot_ioctl()
395 		error = suspend_devices_and_enter(PM_SUSPEND_MEM);  in snapshot_ioctl()
405 			error = hibernation_platform_enter();  in snapshot_ioctl()
409 		error = snapshot_set_swap_area(data, (void __user *)arg);  in snapshot_ioctl()
413 		error = -ENOTTY;  in snapshot_ioctl()
420 	return error;  in snapshot_ioctl()