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@xxxxxxxxxx>
Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
Reviewed-by: Si-Wei Liu<si-wei.liu@xxxxxxxxxx>
---
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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