linux-kernel - [PATCH 3.12 54/82] usb-storage: restrict bcdDevice range for Super Top in Cypress ATACB

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Message-Id: <20140220235021.106403836@linuxfoundation.org>
Date:	Thu, 20 Feb 2014 15:52:37 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>
Subject: [PATCH 3.12 54/82] usb-storage: restrict bcdDevice range for Super Top in Cypress ATACB

3.12-stable review patch.  If anyone has any objections, please let me know.

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

From: Alan Stern <stern@...land.harvard.edu>

commit a9c143c82608bee2a36410caa56d82cd86bdc7fa upstream.

The Cypress ATACB unusual-devs entry for the Super Top SATA bridge
causes problems.  Although it was originally reported only for
bcdDevice = 0x160, its range was much larger.  This resulted in a bug
report for bcdDevice 0x220, so the range was capped at 0x219.  Now
Milan reports errors with bcdDevice 0x150.

Therefore this patch restricts the range to just 0x160.

Signed-off-by: Alan Stern <stern@...land.harvard.edu>
Reported-and-tested-by: Milan Svoboda <milan.svoboda@...trum.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/storage/unusual_cypress.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/storage/unusual_cypress.h
+++ b/drivers/usb/storage/unusual_cypress.h
@@ -31,7 +31,7 @@ UNUSUAL_DEV(  0x04b4, 0x6831, 0x0000, 0x
 		"Cypress ISD-300LP",
 		USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
 
-UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x0219,
+UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160,
 		"Super Top",
 		"USB 2.0  SATA BRIDGE",
 		USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),


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