linux-kernel - [PATCH] cdrom: beyond ARRAY_SIZE of viocd

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Message-ID: <4A133AA7.6020508@gmail.com>
Date:	Wed, 20 May 2009 01:03:03 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	axboe@...nel.dk
CC:	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] cdrom: beyond ARRAY_SIZE of viocd_diskinfo

Do not go beyond ARRAY_SIZE of viocd_diskinfo

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 1392935..9b1624e 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -587,7 +587,7 @@ static int viocd_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	struct device_node *node = vdev->dev.archdata.of_node;
 
 	deviceno = vdev->unit_address;
-	if (deviceno > VIOCD_MAX_CD)
+	if (deviceno >= VIOCD_MAX_CD)
 		return -ENODEV;
 	if (!node)
 		return -ENODEV;

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