i40e: Fix interface init with MSI interrupts (no MSI-X)

[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_main.c

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index c801b128e5b2bbd3848bc6a983a5ef8b82a4df54..b07d55c99317ee0b877e89adf36de4d262c14710 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1908,11 +1908,15 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
                 * non-zero req_queue_pairs says that user requested a new
                 * queue count via ethtool's set_channels, so use this
                 * value for queues distribution across traffic classes
+                * We need at least one queue pair for the interface
+                * to be usable as we see in else statement.
                 */
                if (vsi->req_queue_pairs > 0)
                        vsi->num_queue_pairs = vsi->req_queue_pairs;
                else if (pf->flags & I40E_FLAG_MSIX_ENABLED)
                        vsi->num_queue_pairs = pf->num_lan_msix;
+               else
+                       vsi->num_queue_pairs = 1;
        }
 
        /* Number of queues per enabled TC */