From 435019b48033138581a6171093b181fc6b4d3d30 Mon Sep 17 00:00:00 2001 From: Jimmy Assarsson Date: Tue, 21 Nov 2017 08:22:26 +0100 Subject: [PATCH] can: kvaser_usb: free buf in error paths The allocated buffer was not freed if usb_submit_urb() failed. Signed-off-by: Jimmy Assarsson Cc: linux-stable Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/kvaser_usb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 9b18d96ef526..075644591498 100644 --- 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(struct kvaser_usb_net_priv *priv, 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(struct sk_buff *skb, spin_unlock_irqrestore(&priv->tx_contexts_lock, flags); usb_unanchor_urb(urb); + kfree(buf); stats->tx_dropped++; -- 2.30.2