From bc7e00c45bf479258f033a454e3c538d164c4ea5 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 27 Sep 2017 09:49:00 +0200 Subject: usbgadget: do not register when no functions present registering a multifunction device makes only sense when there's at least one function configured. Just return otherwise. Signed-off-by: Sascha Hauer --- 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) -- cgit v1.2.3