usb-storage: unusual_devs entry to fix write-access regression for Seagate external...

commit 113f6eb6d50cfa5e2a1cdcf1678b12661fa272ab upstream.

Kris Lindgren reports that without the NO_WP_DETECT flag, his Seagate
external disk drive fails all write accesses.  This regresssion dates
back approximately to the start of the 4.x kernel releases.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Kris Lindgren <kris.lindgren@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index a0c4cc4..93e49bd 100644 (file)
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1346,6 +1346,13 @@ UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_SANE_SENSE ),
 
+/* Reported by Kris Lindgren <kris.lindgren@gmail.com> */
+UNUSUAL_DEV( 0x0bc2, 0x3332, 0x0000, 0x9999,
+               "Seagate",
+               "External",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_NO_WP_DETECT ),
+
 UNUSUAL_DEV(  0x0d49, 0x7310, 0x0000, 0x9999,
                "Maxtor",
                "USB to SATA",