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

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Message-ID: <4A1355D0.80406@gmail.com>
Date:	Wed, 20 May 2009 02:58:56 +0200
From:	Roel Kluin <roel.kluin@...il.com>
To:	linuxppc-dev@...abs.org
CC:	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, sfr@...b.auug.org.au
Subject: [PATCH] tape: beyond ARRAY_SIZE of viocd_diskinfo

Do not go beyond ARRAY_SIZE of tape_device and viotape_unitinfo

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Acked-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index ffc9254..042c814 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -867,7 +867,7 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	int j;
 	struct device_node *node = vdev->dev.archdata.of_node;
 
-	if (i > VIOTAPE_MAX_TAPE)
+	if (i >= VIOTAPE_MAX_TAPE)
 		return -ENODEV;
 	if (!node)
 		return -ENODEV;

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