On Wed, Sep 27, 2017 at 11:12:43AM +0200, Sascha Hauer wrote:
> registering a multifunction device makes only sense when there's
> at least one function configured. Just return otherwise.
>
> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
> ---
> drivers/usb/gadget/autostart.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/usb/gadget/autostart.c b/drivers/usb/gadget/autostart.c
> index 3fa43137fa..a27be899c3 100644
> --- a/drivers/usb/gadget/autostart.c
> +++ b/drivers/usb/gadget/autostart.c
> @@ -55,6 +55,10 @@ static int usbgadget_autostart(void)
>
> opts->create_acm = acm;
>
> + if (!opts->fastboot_opts.files && !opts->create_acm) {
> + pr_warn("No functions to register\n");
> + return 0;
> + }
>
> ret = usb_multi_register(opts);
> if (ret)
> --
> 2.11.0
>
>
Reviewed-by: Oleksij Rempel <o.rem...@pengutronix.de>
--
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