This is a note to let you know that I've just added the patch titled

can: kvaser_usb: free buf in error paths

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: can-kvaser_usb-free-buf-in-error-paths.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 435019b48033138581a6171093b181fc6b4d3d30 Mon Sep 17 00:00:00 2001

From: Jimmy Assarsson jimmyassarsson@gmail.com Date: Tue, 21 Nov 2017 08:22:26 +0100 Subject: can: kvaser_usb: free buf in error paths

From: Jimmy Assarsson jimmyassarsson@gmail.com

commit 435019b48033138581a6171093b181fc6b4d3d30 upstream.

The allocated buffer was not freed if usb_submit_urb() failed.

Signed-off-by: Jimmy Assarsson jimmyassarsson@gmail.com Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/net/can/usb/kvaser_usb.c | 2 ++ 1 file changed, 2 insertions(+)

--- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -813,6 +813,7 @@ static int kvaser_usb_simple_msg_async(s if (err) { netdev_err(netdev, "Error transmitting URB\n"); usb_unanchor_urb(urb); + kfree(buf); usb_free_urb(urb); return err; } @@ -1768,6 +1769,7 @@ static netdev_tx_t kvaser_usb_start_xmit spin_unlock_irqrestore(&priv->tx_contexts_lock, flags);

usb_unanchor_urb(urb); + kfree(buf);

stats->tx_dropped++;

Patches currently in stable-queue which might be from jimmyassarsson@gmail.com are

queue-4.9/can-kvaser_usb-ratelimit-errors-if-incomplete-messages-are-received.patch queue-4.9/can-kvaser_usb-free-buf-in-error-paths.patch queue-4.9/can-kvaser_usb-fix-comparison-bug-in-kvaser_usb_read_bulk_callback.patch