Re: [PATCH] wifi: zd1211rw: reject secondary interfaces to prevent conflicts

[Jeff Johnson]

On 7/29/2026 1:04 AM, syzbot wrote:
> @@ -1353,6 +1353,13 @@ static int probe(struct usb_interface *intf, const struct usb_device_id *id)
>  	struct zd_usb *usb;
>  	struct ieee80211_hw *hw = NULL;
>  
> +	/* ZD1211 devices are single-function. Reject secondary interfaces

this does not follow linux block comment style
/* should be on a separate line
(at one time networking code had a different style, but not now)

> +	 * to prevent multiple instances from conflicting on hardcoded endpoints
> +	 * and triggering recursive locking warnings.
> +	 */
> +	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
> +		return -ENODEV;
> +
>  	print_id(udev);
>  
>  	if (id->driver_info & DEVICE_INSTALLER)
> 
> 
> base-commit: 1590cf0329716306e948a8fc29f1d3ee87d3989f