diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/multi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c index 13fa622f01..a2cfc8d850 100644 --- a/drivers/usb/gadget/multi.c +++ b/drivers/usb/gadget/multi.c @@ -234,6 +234,11 @@ static struct usb_composite_driver multi_driver = { int usb_multi_register(struct f_multi_opts *opts) { + if (gadget_multi_opts) { + pr_err("USB multi gadget already registered\n"); + return -EBUSY; + } + gadget_multi_opts = opts; return usb_composite_probe(&multi_driver); |