diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index c3cbe5a..1d63159 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -724,7 +724,9 @@
 	spin_lock_irq(&hwgroup->lock);
 
 	if (!ide_lock_hwgroup(hwgroup)) {
+		ide_hwif_t *prev_port;
 repeat:
+		prev_port = hwgroup->hwif;
 		hwgroup->rq = NULL;
 
 		if (drive->dev_flags & IDE_DFLAG_SLEEPING) {
@@ -734,13 +736,13 @@
 			}
 		}
 
-		if (hwif != hwgroup->hwif) {
+		if (hwif != prev_port) {
 			/*
-			 * set nIEN for previous hwif, drives in the
+			 * set nIEN for previous port, drives in the
 			 * quirk_list may not like intr setups/cleanups
 			 */
-			if (drive->quirk_list == 0)
-				hwif->tp_ops->set_irq(hwif, 0);
+			if (hwgroup->drive->quirk_list == 0)
+				prev_port->tp_ops->set_irq(prev_port, 0);
 		}
 		hwgroup->hwif = hwif;
 		hwgroup->drive = drive;