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    Subject[PATCH 5.4 028/408] ibmvnic: save changed mac address to adapter->mac_addr
    Date
    From: Lijun Pan <ljp@linux.ibm.com>

    [ Upstream commit d9b0e599b2b892422f1cbc5d2658049b895b2b58 ]

    After mac address change request completes successfully, the new mac
    address need to be saved to adapter->mac_addr as well as
    netdev->dev_addr. Otherwise, adapter->mac_addr still holds old
    data.

    Fixes: 62740e97881c ("net/ibmvnic: Update MAC address settings after adapter reset")
    Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
    Link: https://lore.kernel.org/r/20201020223919.46106-1-ljp@linux.ibm.com
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/net/ethernet/ibm/ibmvnic.c | 5 +++++
    1 file changed, 5 insertions(+)

    --- a/drivers/net/ethernet/ibm/ibmvnic.c
    +++ b/drivers/net/ethernet/ibm/ibmvnic.c
    @@ -4074,8 +4074,13 @@ static int handle_change_mac_rsp(union i
    dev_err(dev, "Error %ld in CHANGE_MAC_ADDR_RSP\n", rc);
    goto out;
    }
    + /* crq->change_mac_addr.mac_addr is the requested one
    + * crq->change_mac_addr_rsp.mac_addr is the returned valid one.
    + */
    ether_addr_copy(netdev->dev_addr,
    &crq->change_mac_addr_rsp.mac_addr[0]);
    + ether_addr_copy(adapter->mac_addr,
    + &crq->change_mac_addr_rsp.mac_addr[0]);
    out:
    complete(&adapter->fw_done);
    return rc;

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