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    Subject[PATCH 5.13 048/104] i40e: Fix log TC creation failure when max num of queues is exceeded
    Date
    From: Jedrzej Jagielski <jedrzej.jagielski@intel.com>

    [ Upstream commit ea52faae1d17cd3048681d86d2e8641f44de484d ]

    Fix missing failed message if driver does not have enough queues to
    complete TC command. Without this fix no message is displayed in dmesg.

    Fixes: a9ce82f744dc ("i40e: Enable 'channel' mode in mqprio for TC configs")
    Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
    Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
    Tested-by: Imam Hassan Reza Biswas <imam.hassan.reza.biswas@intel.com>
    Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
    index 0207c5ceecf6..4e5c53a6265c 100644
    --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
    +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
    @@ -7290,6 +7290,8 @@ static int i40e_validate_mqprio_qopt(struct i40e_vsi *vsi,
    }
    if (vsi->num_queue_pairs <
    (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i])) {
    + dev_err(&vsi->back->pdev->dev,
    + "Failed to create traffic channel, insufficient number of queues.\n");
    return -EINVAL;
    }
    if (sum_max_rate > i40e_get_link_speed(vsi)) {
    --
    2.30.2


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