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

On Mon, Sep 27, 2021 at 03:42:42PM +0300, Laurentiu Tudor wrote:

On 9/27/2021 3:17 PM, Greg KH wrote:

...

On Mon, Sep 27, 2021 at 01:22:49PM +0300, Laurentiu Tudor wrote:

...

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.

[Backported to stable from mainline commit 5aeb05b27f81 ("software node: balance refcount for managed software nodes")]

But ...

Ah, missed that up here in the middle of the changelog text, sorry.

greg k-h