linux-kernel - [48/66] [SCSI] bsg: fix incorrect device

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Date:	Fri, 22 Oct 2010 11:35:15 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	James Bottomley <James.Bottomley@...e.de>
Subject: [48/66] [SCSI] bsg: fix incorrect device_status value

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

commit 478971600e47cb83ff2d3c63c5c24f2b04b0d6a1 upstream.

bsg incorrectly returns sg's masked_status value for device_status.

[jejb: fix up expression logic]
Reported-by: Douglas Gilbert <dgilbert@...erlog.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 block/bsg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/block/bsg.c
+++ b/block/bsg.c
@@ -424,7 +424,7 @@ static int blk_complete_sgv4_hdr_rq(stru
 	/*
 	 * fill in all the output members
 	 */
-	hdr->device_status = status_byte(rq->errors);
+	hdr->device_status = rq->errors & 0xff;
 	hdr->transport_status = host_byte(rq->errors);
 	hdr->driver_status = driver_byte(rq->errors);
 	hdr->info = 0;


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