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can: kvaser_usb: free buf in error paths

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commit 435019b480 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>
This commit is contained in:
Jimmy Assarsson
2017-11-21 08:22:26 +01:00
committed by Greg Kroah-Hartman
parent 6a3a713880
commit f89682bb3c
1 changed files with 2 additions and 0 deletions
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2
drivers/net/can/usb/kvaser_usb.c
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@@ -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++;