Commit 5e7923ac authored by Aya Levin's avatar Aya Levin Committed by Saeed Mahameed

net/mlx5e: Fix error path of updating netdev queues

Avoid division by zero in the error flow. In the driver TC number can be
either 1 or 8. When TC count is set to 1, driver zero netdev->num_tc.
Hence, need to convert it back from 0 to 1 in the error flow.

Fixes: fa374877 ("net/mlx5e: Handle errors from netif_set_real_num_{tx,rx}_queues")
Signed-off-by: default avatarAya Levin <ayal@nvidia.com>
Reviewed-by: default avatarMaxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 7d1a3d08
......@@ -2697,7 +2697,7 @@ static int mlx5e_update_netdev_queues(struct mlx5e_priv *priv)
int err;
old_num_txqs = netdev->real_num_tx_queues;
old_ntc = netdev->num_tc;
old_ntc = netdev->num_tc ? : 1;
nch = priv->channels.params.num_channels;
ntc = priv->channels.params.num_tc;
......
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