Re: [PATCH V3 6/6] vDPA: fix 'cast to restricted le16' warnings in vdpa.c

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jul 01, 2022 at 09:28:26PM +0800, Zhu Lingshan wrote:
> This commit fixes spars warnings: cast to restricted __le16
> in function vdpa_dev_net_config_fill() and
> vdpa_fill_stats_rec()
> 
> Signed-off-by: Zhu Lingshan <lingshan.zhu@xxxxxxxxx>
> ---
>  drivers/vdpa/vdpa.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
> index 846dd37f3549..ed49fe46a79e 100644
> --- a/drivers/vdpa/vdpa.c
> +++ b/drivers/vdpa/vdpa.c
> @@ -825,11 +825,11 @@ static int vdpa_dev_net_config_fill(struct vdpa_device *vdev, struct sk_buff *ms
>  		    config.mac))
>  		return -EMSGSIZE;
>  
> -	val_u16 = le16_to_cpu(config.status);
> +	val_u16 = __virtio16_to_cpu(true, config.status);
>  	if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_STATUS, val_u16))
>  		return -EMSGSIZE;
>  
> -	val_u16 = le16_to_cpu(config.mtu);
> +	val_u16 = __virtio16_to_cpu(true, config.mtu);
>  	if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MTU, val_u16))
>  		return -EMSGSIZE;
>  

Wrong on BE platforms with legacy interface, isn't it?
We generally don't handle legacy properly in VDPA so it's
not a huge deal, but maybe add a comment at least?


> @@ -911,7 +911,7 @@ static int vdpa_fill_stats_rec(struct vdpa_device *vdev, struct sk_buff *msg,
>  	}
>  	vdpa_get_config_unlocked(vdev, 0, &config, sizeof(config));
>  
> -	max_vqp = le16_to_cpu(config.max_virtqueue_pairs);
> +	max_vqp = __virtio16_to_cpu(true, config.max_virtqueue_pairs);
>  	if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, max_vqp))
>  		return -EMSGSIZE;
>  
> -- 
> 2.31.1

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux