From: Jedrzej Jagielski <jedrzej.jagielski@intel.com> stable inclusion from stable-5.10.56 commit bb60616162113653d181fe7490354ef57e520fa9 bugzilla: 176004 https://gitee.com/openeuler/kernel/issues/I4DYZ4 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ 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> Signed-off-by: Chen Jun <chenjun102@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> --- 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 b3a9dec414a5..bc648ce0743c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -6933,6 +6933,8 @@ 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)) { -- 2.20.1