Registering a gadget driver is expected to complete synchronously and immediately after calling driver_register() this function checks that the driver has bound so as to return an error.
Set PROBE_FORCE_SYNCHRONOUS to ensure this is the case even when asynchronous probing is set as the default.
Fixes: fc274c1e99731 ("USB: gadget: Add a new bus for gadgets") Cc: stable@vger.kernel.org Signed-off-by: John Keeping jkeeping@inmusicbrands.com --- v3: - Add cc: stable v2: - Add "Fixes" trailer
drivers/usb/gadget/udc/core.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index cf6478f97f4a..a6f46364be65 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1696,6 +1696,7 @@ int usb_gadget_register_driver_owner(struct usb_gadget_driver *driver, driver->driver.bus = &gadget_bus_type; driver->driver.owner = owner; driver->driver.mod_name = mod_name; + driver->driver.probe_type = PROBE_FORCE_SYNCHRONOUS; ret = driver_register(&driver->driver); if (ret) { pr_warn("%s: driver registration failed: %d\n",