diff options
| author | Eli Cohen <elic@nvidia.com> | 2022-01-05 13:46:41 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-01-14 18:50:54 -0500 |
| commit | 37e07e705888e4c3502f204e9c6785c9c2d6d86a (patch) | |
| tree | 9c59a89cb41993e7fe57bdc3aa461fdb811cfd50 /drivers/vdpa | |
| parent | 612f330ec56f12c0d099286c45f82d835845f136 (diff) | |
| download | lwn-37e07e705888e4c3502f204e9c6785c9c2d6d86a.tar.gz lwn-37e07e705888e4c3502f204e9c6785c9c2d6d86a.zip | |
vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
Restore ndev->cur_num_vqs to the original value in case change_num_qps()
fails.
Fixes: 52893733f2c5 ("vdpa/mlx5: Add multiqueue support")
Reviewed-by: Si-Wei Liu<si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-10-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index f31de859d175..931109db1517 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1541,9 +1541,11 @@ 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; } |