On Tue, 2016-06-14 at 21:34 +0200, Heiner Kallweit wrote: > Am 14.06.2016 um 10:05 schrieb Oliver Neukum: > > On Tue, 2016-06-14 at 07:51 +0200, Heiner Kallweit wrote: > > > >> + ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); > >> + if (ret) > >> + return ret; > >> + > >> + minor = ((struct hidraw *) hdev->hidraw)->minor; > >> + > >> + ret = dc_init_device(dcdev); > > > > That is a race condition. You announced an uninitialized device to the > > rest of the system. > > > I don't see a race. The hdev and lock elements of dcdev are initialized You have called hid_hw_start(). That implies that the device be ready. > and dc_init_device just calls dc_send to send the init command to the device. > It doesn't announce anything. You send the init command after the rest of the system already sees the device. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
