From 69bdd88ca2670c321fef774e77059516f836c6f2 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Fri, 1 Sep 2006 15:50:23 +0200
Subject: [PATCH] [SCSI] Wrong size information for devices with disabled read
 access

When accessing a device with disabled read access the capacity is set
randomly to 1GB. This makes it impossible to userspace tools to detect
invalid device capacities.

Signed-off-by: Mike Anderson <andmike@us.ibm.com>
Acked-by: Chris Mason <mason@suse.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---
 drivers/scsi/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 98bd3aab9739..638cff41d436 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1215,7 +1215,7 @@ sd_read_capacity(struct scsi_disk *sdkp, char *diskname,
 		/* Either no media are present but the drive didn't tell us,
 		   or they are present but the read capacity command fails */
 		/* sdkp->media_present = 0; -- not always correct */
-		sdkp->capacity = 0x200000; /* 1 GB - random */
+		sdkp->capacity = 0; /* unknown mapped to zero - as usual */
 
 		return;
 	} else if (the_result && longrc) {
-- 
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