Re: [PATCH v5 09/13] vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
From: Si-Wei Liu <hidden>
Date: 2021-12-22 02:02:03
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 <redacted>
Signed-off-by: Eli Cohen <redacted>Reviewed-by: Si-Wei Liu<redacted>
quoted hunk
--- 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; }
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