This is a note to let you know that I've just added the patch titled
USB: mxuport: fix null deref when used as a console
to the 3.19-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-mxuport-fix-null-deref-when-used-as-a-console.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From db81de767e375743ebb0ad2bcad3326962c2b67e Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@xxxxxxxxxx>
Date: Wed, 18 Feb 2015 11:51:07 +0700
Subject: USB: mxuport: fix null deref when used as a console
From: Johan Hovold <johan@xxxxxxxxxx>
commit db81de767e375743ebb0ad2bcad3326962c2b67e upstream.
Fix null-pointer dereference at probe when the device is used as a
console, in which case the tty argument to open will be NULL.
Fixes: ee467a1f2066 ("USB: serial: add Moxa UPORT 12XX/14XX/16XX
driver")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Acked-by: Greg Kroah-Hartman <greg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/mxuport.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -1284,7 +1284,8 @@ static int mxuport_open(struct tty_struc
}
/* Initial port termios */
- mxuport_set_termios(tty, port, NULL);
+ if (tty)
+ mxuport_set_termios(tty, port, NULL);
/*
* TODO: use RQ_VENDOR_GET_MSR, once we know what it
Patches currently in stable-queue which might be from johan@xxxxxxxxxx are
queue-3.19/revert-usb-serial-make-bulk_out_size-a-lower-limit.patch
queue-3.19/usb-serial-fix-infinite-wait_until_sent-timeout.patch
queue-3.19/usb-serial-cp210x-adding-seletek-device-id-s.patch
queue-3.19/tty-fix-tty_wait_until_sent-on-64-bit-machines.patch
queue-3.19/usb-ftdi_sio-add-jtag-quirk-support-for-cyber-cortex-av-boards.patch
queue-3.19/usb-mxuport-fix-null-deref-when-used-as-a-console.patch
queue-3.19/usb-ftdi_sio-add-pids-for-actisense-usb-devices.patch
queue-3.19/usb-serial-fix-potential-use-after-free-after-failed-probe.patch
queue-3.19/net-irda-fix-wait_until_sent-poll-timeout.patch
queue-3.19/usb-serial-fix-tty-device-error-handling-at-probe.patch
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