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 4.4-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:
can-kvaser_usb-free-buf-in-error-paths.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 435019b48033138581a6171093b181fc6b4d3d30 Mon Sep 17 00:00:00 2001
From: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
Date: Tue, 21 Nov 2017 08:22:26 +0100
Subject: can: kvaser_usb: free buf in error paths
From: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
commit 435019b48033138581a6171093b181fc6b4d3d30 upstream.
The allocated buffer was not freed if usb_submit_urb() failed.
Signed-off-by: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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
@@ -809,6 +809,7 @@ 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;
}
@@ -1767,6 +1768,7 @@ 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@xxxxxxxxx are
queue-4.4/can-kvaser_usb-ratelimit-errors-if-incomplete-messages-are-received.patch
queue-4.4/can-kvaser_usb-free-buf-in-error-paths.patch
queue-4.4/can-kvaser_usb-fix-comparison-bug-in-kvaser_usb_read_bulk_callback.patch