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    Subject[PATCH 07/10] staging: hv: fix counting of available buffer slots when send fails
    Date
    Because the number of available buffer slots doesn't decrease for failed
    sends, we should not call netvsc_xmit_completion(), which increase the
    count of available slots. In this failed case, just free the memory is
    enough.

    Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    ---
    drivers/staging/hv/netvsc_drv.c | 3 ++-
    1 files changed, 2 insertions(+), 1 deletions(-)

    diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
    index b49a08f..81e3c49 100644
    --- a/drivers/staging/hv/netvsc_drv.c
    +++ b/drivers/staging/hv/netvsc_drv.c
    @@ -190,7 +190,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
    } else {
    /* we are shutting down or bus overloaded, just drop packet */
    net->stats.tx_dropped++;
    - netvsc_xmit_completion(packet);
    + kfree(packet);
    + dev_kfree_skb_any(skb);
    }

    return NETDEV_TX_OK;
    --
    1.6.3.2


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