linux-kernel - Re: [PATCH net-next v3 14/31] net: usb: use ndo

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Date:   Wed, 28 Jul 2021 16:02:24 +0300
From:   Petko Manolov <petkan@...leusys.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Arnd Bergmann <arnd@...db.de>, linux-usb@...r.kernel.org
Subject: Re: [PATCH net-next v3 14/31] net: usb: use ndo_siocdevprivate

On 21-07-27 15:45:00, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The pegasus and rtl8150 drivers use SIOCDEVPRIVATE ioctls
> to access their MII registers, in place of the normal
> commands. This is broken for all compat ioctls today.
> 
> Change to ndo_siocdevprivate to fix it.

Well, ACK i guess... :)


		Petko


> Cc: Petko Manolov <petkan@...leusys.com>
> Cc: linux-usb@...r.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/net/usb/pegasus.c | 5 +++--
>  drivers/net/usb/rtl8150.c | 5 +++--
>  2 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
> index 9a907182569c..0475ef0efdca 100644
> --- a/drivers/net/usb/pegasus.c
> +++ b/drivers/net/usb/pegasus.c
> @@ -987,7 +987,8 @@ static const struct ethtool_ops ops = {
>  	.set_link_ksettings = pegasus_set_link_ksettings,
>  };
>  
> -static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
> +static int pegasus_siocdevprivate(struct net_device *net, struct ifreq *rq,
> +				  void __user *udata, int cmd)
>  {
>  	__u16 *data = (__u16 *) &rq->ifr_ifru;
>  	pegasus_t *pegasus = netdev_priv(net);
> @@ -1245,7 +1246,7 @@ static int pegasus_resume(struct usb_interface *intf)
>  static const struct net_device_ops pegasus_netdev_ops = {
>  	.ndo_open =			pegasus_open,
>  	.ndo_stop =			pegasus_close,
> -	.ndo_do_ioctl =			pegasus_ioctl,
> +	.ndo_siocdevprivate =		pegasus_siocdevprivate,
>  	.ndo_start_xmit =		pegasus_start_xmit,
>  	.ndo_set_rx_mode =		pegasus_set_multicast,
>  	.ndo_tx_timeout =		pegasus_tx_timeout,
> diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
> index 7656f2a3afd9..4a1b0e0fc3a3 100644
> --- a/drivers/net/usb/rtl8150.c
> +++ b/drivers/net/usb/rtl8150.c
> @@ -822,7 +822,8 @@ static const struct ethtool_ops ops = {
>  	.get_link_ksettings = rtl8150_get_link_ksettings,
>  };
>  
> -static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
> +static int rtl8150_siocdevprivate(struct net_device *netdev, struct ifreq *rq,
> +				  void __user *udata, int cmd)
>  {
>  	rtl8150_t *dev = netdev_priv(netdev);
>  	u16 *data = (u16 *) & rq->ifr_ifru;
> @@ -850,7 +851,7 @@ static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
>  static const struct net_device_ops rtl8150_netdev_ops = {
>  	.ndo_open		= rtl8150_open,
>  	.ndo_stop		= rtl8150_close,
> -	.ndo_do_ioctl		= rtl8150_ioctl,
> +	.ndo_siocdevprivate	= rtl8150_siocdevprivate,
>  	.ndo_start_xmit		= rtl8150_start_xmit,
>  	.ndo_tx_timeout		= rtl8150_tx_timeout,
>  	.ndo_set_rx_mode	= rtl8150_set_multicast,
> -- 
> 2.29.2
> 
>