diff options
| author | Eli Cohen <elic@nvidia.com> | 2022-01-05 14:46:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:05:36 +0300 |
| commit | 63bc14d6e2615e9f89f7110c97ad6e6433379007 (patch) | |
| tree | 502bef8a4c0f6c1c1d563a21ffe139f563e0b3c6 /drivers/vdpa | |
| parent | 786e608e97b91227b069517fac6118dfc1ad2c95 (diff) | |
| download | linux-63bc14d6e2615e9f89f7110c97ad6e6433379007.tar.xz | |
vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
commit 37e07e705888e4c3502f204e9c6785c9c2d6d86a upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 a8a67fb3a462..1afbda216df5 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1510,9 +1510,11 @@ 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; } |