diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5890e5f..154b78c 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -869,8 +869,8 @@
 
 	if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) {
 		if (res->sdev) {
-			res->sdev->hostdata = NULL;
 			res->del_from_ml = 1;
+			res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
 			if (ioa_cfg->allow_ml_add_del)
 				schedule_work(&ioa_cfg->work_q);
 		} else
@@ -2107,7 +2107,6 @@
 				did_work = 1;
 				sdev = res->sdev;
 				if (!scsi_device_get(sdev)) {
-					res->sdev = NULL;
 					list_move_tail(&res->queue, &ioa_cfg->free_res_q);
 					spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 					scsi_remove_device(sdev);
@@ -2124,6 +2123,7 @@
 			bus = res->cfgte.res_addr.bus;
 			target = res->cfgte.res_addr.target;
 			lun = res->cfgte.res_addr.lun;
+			res->add_to_ml = 0;
 			spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 			scsi_add_device(ioa_cfg->host, bus, target, lun);
 			spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
@@ -4980,7 +4980,7 @@
 	list_for_each_entry_safe(res, temp, &old_res, queue) {
 		if (res->sdev) {
 			res->del_from_ml = 1;
-			res->sdev->hostdata = NULL;
+			res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
 			list_move_tail(&res->queue, &ioa_cfg->used_res_q);
 		} else {
 			list_move_tail(&res->queue, &ioa_cfg->free_res_q);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index fd360bf..ee9169d 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -133,6 +133,7 @@
 #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
 
 #define IPR_IOA_RES_HANDLE				0xffffffff
+#define IPR_INVALID_RES_HANDLE			0
 #define IPR_IOA_RES_ADDR				0x00ffffff
 
 /*