On Wed, 14 May 2014, Emil Goode wrote: > The .stop and .unbind callbacks of struct driver_info are > called even after a DETACH hot-plug event. In the case of > the ax88179_178a minidriver we need to make sure we are not > trying to send commands to a device that has been detached. > This leads to failure messages like below. > > ax88179_178a 1-1.3:1.0 (unregistered net_device): > Failed to write reg index 0x0001: -19
Most driver don't bother to do this. A few error messages in the log when a device gets unplugged are harmless. Besides, this won't help with errors that occur between the time the device is unplugged and the time when the unbind callback runs. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
