On Mon, Nov 26, 2018 at 06:53:55PM +0100, Michael Straube wrote:
retval = cdev_add(device->cdev, device->devt, 1);
if (retval) {
dev_dbg(device->dev, "register of cdev failed");
+ cdev_del(device->cdev);
goto cdev_failed;
No no... That's not the right thing. Do "goto del_cdev;" and add a
label at the end.
del_cdev:
cdev_del(device->cdev);
regards,
dan carpenter