Re: [PATCH] staging: pi433: add missing call to cdev_del()

From: Michael Straube
Date: Mon Nov 26 2018 - 13:12:13 EST


On 11/26/18 7:01 PM, Dan Carpenter wrote:
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


Ah ok, I thought about that but was not sure. Thanks,
Michael