This is a note to let you know that I've just added the patch titled
USB: serial: digi_acceleport: fix OOB-event processing
to the 4.10-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-serial-digi_acceleport-fix-oob-event-processing.patch
and it can be found in the queue-4.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2e46565cf622dd0534a9d8bffe152a577b48d7aa Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Fri, 24 Feb 2017 19:11:28 +0100
Subject: USB: serial: digi_acceleport: fix OOB-event processing
From: Johan Hovold <johan@xxxxxxxxxx>
commit 2e46565cf622dd0534a9d8bffe152a577b48d7aa upstream.
A recent change claimed to fix an off-by-one error in the OOB-port
completion handler, but instead introduced such an error. This could
specifically led to modem-status changes going unnoticed, effectively
breaking TIOCMGET.
Note that the offending commit fixes a loop-condition underflow and is
marked for stable, but should not be backported without this fix.
Reported-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Fixes: 2d380889215f ("USB: serial: digi_acceleport: fix OOB data sanity
check")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/digi_acceleport.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1491,7 +1491,7 @@ static int digi_read_oob_callback(struct
return -1;
/* handle each oob command */
- for (i = 0; i < urb->actual_length - 4; i += 4) {
+ for (i = 0; i < urb->actual_length - 3; i += 4) {
opcode = buf[i];
line = buf[i + 1];
status = buf[i + 2];
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-4.10/usb-serial-digi_acceleport-fix-oob-event-processing.patch
queue-4.10/usb-serial-digi_acceleport-fix-oob-data-sanity-check.patch