Re: [PATCH] wifi: cfg80211: fix leak if split 6 GHz scanning fails

[Johannes Berg]

On Sun, 2026-05-24 at 19:53 +0300, Fedor Pchelkin wrote:
> 
> @@ -1101,7 +1102,12 @@ int cfg80211_scan(struct cfg80211_registered_device *rdev)
>  	rdev_req->req.scan_6ghz = false;
>  	rdev_req->req.first_part = true;
>  	rdev->int_scan_req = request;
> -	return rdev_scan(rdev, request);
> +	err = rdev_scan(rdev, request);
> +	if (err) {
> +		kfree(rdev->int_scan_req);
> +		rdev->int_scan_req = NULL;
> +	}
> +	return err;

Given that rdev isn't accessible to the driver call in rdev_scan(), I
think it'd be nicer to do kfree(request) and defer the int_scan_req
assignment to after the rdev_scan() call?

johannes