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Commit 194b71d2 authored by Jedrzej Jagielski's avatar Jedrzej Jagielski Committed by Greg Kroah-Hartman
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i40e: Fix log TC creation failure when max num of queues is exceeded 



[ 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: a9ce82f7 ("i40e: Enable 'channel' mode in mqprio for TC configs")
Signed-off-by: default avatarGrzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: default avatarJedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: default avatarImam Hassan Reza Biswas <imam.hassan.reza.biswas@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 834af622

drivers/net/ethernet/intel/i40e/i40e_main.c

+2 −0
Original line number Diff line number Diff line
@@ -6878,6 +6878,8 @@ 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)) {