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    Subject[PATCH 3.19.y-ckt 137/146] xen/netback: Properly initialize credit_bytes
    Date
    3.19.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Ross Lagerwall <ross.lagerwall@citrix.com>

    [ Upstream commit ce0e5c522d3924090c20e774359809a7aa08c44c ]

    Commit e9ce7cb6b107 ("xen-netback: Factor queue-specific data into queue
    struct") introduced a regression when moving queue-specific data into
    the queue struct by failing to set the credit_bytes field. This
    prevented bandwidth limiting from working. Initialize the field as it
    was done before multiqueue support was added.

    Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
    Acked-by: Wei Liu <wei.liu2@citrix.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Kamal Mostafa <kamal@canonical.com>
    ---
    drivers/net/xen-netback/xenbus.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
    index 794204e..784a624 100644
    --- a/drivers/net/xen-netback/xenbus.c
    +++ b/drivers/net/xen-netback/xenbus.c
    @@ -736,6 +736,7 @@ static void connect(struct backend_info *be)
    goto err;
    }

    + queue->credit_bytes = credit_bytes;
    queue->remaining_credit = credit_bytes;
    queue->credit_usec = credit_usec;

    --
    1.9.1


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