This is a note to let you know that I've just added the patch titled
usb-storage: Add compatibility quirk flags for iODD 2531/2541
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-storage-add-compatibility-quirk-flags-for-iodd-2531-2541.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 05c8f1b67e67dcd786ae3fe44492bbc617b4bd12 Mon Sep 17 00:00:00 2001
From: James Buren <braewoods+lkml@xxxxxxxxxxxxx>
Date: Wed, 13 Oct 2021 20:55:04 -0500
Subject: usb-storage: Add compatibility quirk flags for iODD 2531/2541
From: James Buren <braewoods+lkml@xxxxxxxxxxxxx>
commit 05c8f1b67e67dcd786ae3fe44492bbc617b4bd12 upstream.
These drive enclosures have firmware bugs that make it impossible to mount
a new virtual ISO image after Linux ejects the old one if the device is
locked by Linux. Windows bypasses this problem by the fact that they do
not lock the device. Add a quirk to disable device locking for these
drive enclosures.
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: James Buren <braewoods+lkml@xxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211014015504.2695089-1-braewoods+lkml@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/storage/unusual_devs.h | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -407,6 +407,16 @@ UNUSUAL_DEV( 0x04b8, 0x0602, 0x0110, 0x
USB_SC_SCSI, USB_PR_BULK, NULL, US_FL_SINGLE_LUN),
/*
+ * Reported by James Buren <braewoods+lkml@xxxxxxxxxxxxx>
+ * Virtual ISOs cannot be remounted if ejected while the device is locked
+ * Disable locking to mimic Windows behavior that bypasses the issue
+ */
+UNUSUAL_DEV( 0x04c5, 0x2028, 0x0001, 0x0001,
+ "iODD",
+ "2531/2541",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE),
+
+/*
* Not sure who reported this originally but
* Pavel Machek <pavel@xxxxxx> reported that the extra US_FL_SINGLE_LUN
* flag be added */
Patches currently in stable-queue which might be from braewoods+lkml@xxxxxxxxxxxxx are
queue-5.15/usb-storage-add-compatibility-quirk-flags-for-iodd-2531-2541.patch
