Si-Wei Liu
2021-Dec-22 02:01 UTC
[PATCH v5 09/13] vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
On 12/21/2021 9:20 AM, Eli Cohen wrote:> Restore ndev->cur_num_vqs to the original value in case change_num_qps() > fails. > > Fixes: 52893733f2c5 ("vdpa/mlx5: Add multiqueue support") > Acked-by: Jason Wang <jasowang at redhat.com> > Signed-off-by: Eli Cohen <elic at nvidia.com>Reviewed-by: Si-Wei Liu<si-wei.liu at oracle.com>> --- > drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c > index 848eabbb1831..72ed5efbe35d 100644 > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c > @@ -1536,9 +1536,11 @@ static int change_num_qps(struct mlx5_vdpa_dev *mvdev, int newqps) > return 0; > > clean_added: > - for (--i; i >= cur_qps; --i) > + for (--i; i >= 2 * cur_qps; --i) > teardown_vq(ndev, &ndev->vqs[i]); > > + ndev->cur_num_vqs = 2 * cur_qps; > + > return err; > } >