linux-kernel - [ 32/61] usb-storage: Add 090c:1000 to unusal-devs

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Date:	Wed, 20 Jun 2012 10:30:52 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Hans de Goede <hdegoede@...hat.com>,
	Simon Raffeiner <sturmflut@...berbiber.de>
Subject: [ 32/61] usb-storage: Add 090c:1000 to unusal-devs

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

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

From: Hans de Goede <hdegoede@...hat.com>

commit afff07e61a5243e14ee3f0a272a0380cd744a8a3 upstream.

This device gives a bogus answer to get_capacity(16):
[ 8628.278614] scsi 8:0:0:0: Direct-Access     USB 2.0  USB Flash Drive  1100 PQ: 0 ANSI: 4
[ 8628.279452] sd 8:0:0:0: Attached scsi generic sg4 type 0
[ 8628.280338] sd 8:0:0:0: [sdd] 35747322042253313 512-byte logical blocks: (18.3 EB/15.8 EiB)

So set the quirk flag to avoid using get_capacity(16) with it:
[11731.386014] usb-storage 2-1.6:1.0: Quirks match for vid 090c pid 1000: 80000
[11731.386075] scsi9 : usb-storage 2-1.6:1.0
[11731.386172] usbcore: registered new interface driver usb-storage
[11731.386175] USB Mass Storage support registered.
[11732.387394] scsi 9:0:0:0: Direct-Access     USB 2.0  USB Flash Drive  1100 PQ: 0 ANSI: 4
[11732.388462] sd 9:0:0:0: Attached scsi generic sg3 type 0
[11732.389432] sd 9:0:0:0: [sdc] 7975296 512-byte logical blocks: (4.08 GB/3.80 GiB)

Which makes the capacity look a lot more sane :)

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Tested-by: Simon Raffeiner <sturmflut@...berbiber.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/storage/unusual_devs.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1107,6 +1107,13 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9
 		USB_SC_RBC, USB_PR_BULK, NULL,
 		0 ),
 
+/* Feiya QDI U2 DISK, reported by Hans de Goede <hdegoede@...hat.com> */
+UNUSUAL_DEV( 0x090c, 0x1000, 0x0000, 0xffff,
+		"Feiya",
+		"QDI U2 DISK",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_READ_CAPACITY_16 ),
+
 /* aeb */
 UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
 		"Feiya",


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