au1xxx-ide/rapide: use hwif->index for ide_unregister()

Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index b00c71f2aee3..71782b38280b 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -691,7 +691,7 @@ static int au_ide_remove(struct device *dev)
         ide_hwif_t *hwif = dev_get_drvdata(dev);
         _auide_hwif *ahwif = &auide_hwif;
 
-        ide_unregister(hwif - ide_hwifs);
+        ide_unregister(hwif->index);
 
         iounmap((void *)ahwif->regbase);