Re: [PATCH] software node: balance refcount for managed sw nodes

Andy Shevchenko
2021-07-16T12:17:34Z

On Fri, Jul 16, 2021 at 01:16:02PM +0300, laurentiu.tudor@nxp.com wrote:
> From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
>
> software_node_notify(), on KOBJ_REMOVE drops the refcount twice on managed
> software nodes, thus leading to underflow errors. Balance the refcount by
> bumping it in the device_create_managed_software_node() function.
>
> The error [1] was encountered after adding a .shutdown() op to our
> fsl-mc-bus driver.

Looking into the history of adding ->shutdown() to dwc3 driver (it got reverted
later on), I can tell that probably something is wrong in the ->shutdown()
method itself.

--
With Best Regards,
Andy Shevchenko