6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tasos Sahanidis <tasos@xxxxxxxxxxxx>
commit 772685c14743ad565bb271041ad3c262298cd6fc upstream.
This flash drive reports write protect during the first mode sense.
In the past this was not an issue as the kernel called revalidate twice,
thus asking the device for its write protect status twice, with write
protect being disabled in the second mode sense.
However, since commit 1e029397d12f ("scsi: sd: Reorganize DIF/DIX code to
avoid calling revalidate twice") that is no longer the case, thus the
device shows up read only.
[490891.289495] sd 12:0:0:0: [sdl] Write Protect is on
[490891.289497] sd 12:0:0:0: [sdl] Mode Sense: 2b 00 80 08
This does not appear to be a timing issue, as enabling the usbcore quirk
USB_QUIRK_DELAY_INIT has no effect on write protect.
Fixes: 1e029397d12f ("scsi: sd: Reorganize DIF/DIX code to avoid calling revalidate twice")
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Tasos Sahanidis <tasos@xxxxxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231207134441.298131-1-tasos@xxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/storage/unusual_devs.h | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1306,6 +1306,17 @@ UNUSUAL_DEV( 0x090c, 0x6000, 0x0100, 0x
US_FL_INITIAL_READ10 ),
/*
+ * Patch by Tasos Sahanidis <tasos@xxxxxxxxxxxx>
+ * This flash drive always shows up with write protect enabled
+ * during the first mode sense.
+ */
+UNUSUAL_DEV(0x0951, 0x1697, 0x0100, 0x0100,
+ "Kingston",
+ "DT Ultimate G3",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_WP_DETECT),
+
+/*
* This Pentax still camera is not conformant
* to the USB storage specification: -
* - It does not like the INQUIRY command. So we must handle this command
