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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-09-27 09:49:00 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-09-27 11:09:27 +0200 |
| commit | bc7e00c45bf479258f033a454e3c538d164c4ea5 (patch) | |
| tree | c37dfbcc4a6239c4ebbfbea5ecf43f8c1da88ee1 | |
| parent | bf03086f1aa66abd50d440db7895dfd535095e0c (diff) | |
| download | barebox-bc7e00c45bf479258f033a454e3c538d164c4ea5.tar.gz barebox-bc7e00c45bf479258f033a454e3c538d164c4ea5.tar.xz | |
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 <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/usb/gadget/autostart.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) |