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, 2 insertions, 2 deletions

diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index e6b56d1d48f4..b5b6ed8b82b2 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -78,8 +78,8 @@ static void __devexit rapide_remove(struct expansion_card *ec)
 
         ecard_set_drvdata(ec, NULL);
 
-        /* there must be a better way */
-        ide_unregister(hwif - ide_hwifs);
+        ide_unregister(hwif->index);
+
         ecard_release_resources(ec);
 }