[PATCH] vdpa/mlx5: fix endian-ness for max vqs
From: Michael S. Tsirkin
Date: Sat Jan 08 2022 - 13:00:56 EST
sparse warnings: (new ones prefixed by >>)
>> drivers/vdpa/mlx5/net/mlx5_vnet.c:1247:23: sparse: sparse: cast to restricted __le16
>> drivers/vdpa/mlx5/net/mlx5_vnet.c:1247:23: sparse: sparse: cast from restricted __virtio16
> 1247 num = le16_to_cpu(ndev->config.max_virtqueue_pairs);
Address this using the appropriate wrapper.
Fixes: 7620d51af29a ("vdpa/mlx5: Support configuring max data virtqueue")
Cc: "Eli Cohen" <elic@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 84b1919015ce..d1ff65065fb1 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1242,7 +1242,8 @@ static int create_rqt(struct mlx5_vdpa_net *ndev)
if (!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_NET_F_MQ)))
num = 1;
else
- num = le16_to_cpu(ndev->config.max_virtqueue_pairs);
+ num = mlx5vdpa16_to_cpu(&ndev->mvdev,
+ ndev->config.max_virtqueue_pairs);
max_rqt = min_t(int, roundup_pow_of_two(num),
1 << MLX5_CAP_GEN(ndev->mvdev.mdev, log_max_rqt_size));
--
MST