ntb_netdev: correct skb leak

If ntb_netdev is unable to pass a new skb to the ntb transport for
future rx packets, it should free the newly alloc'ed skb in the error
case.  Found by Kernel memory leak detector.

Signed-off-by: Jon Mason <jon.mason@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
index 0d4a6ee5a7f06f3f27e7dbc0b6b928fd1c03db13..28d6fea54384a216171c848083d4803a1b80f72e 100644 (file)
--- a/drivers/net/ntb_netdev.c
+++ b/drivers/net/ntb_netdev.c
@@ -119,6 +119,7 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data,
 
        rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN);
        if (rc) {
 
        rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN);
        if (rc) {

+               dev_kfree_skb(skb);

                ndev->stats.rx_errors++;
                ndev->stats.rx_fifo_errors++;
        }
                ndev->stats.rx_errors++;
                ndev->stats.rx_fifo_errors++;
        }