Re: [PATCH 2/2 v3] drivers: use __free attribute instead of of_node_put()

[Greg KH]

On Wed, May 01, 2024 at 11:43:13AM +0200, Vincenzo Mezzela wrote:
> Introduce the __free attribute for scope-based resource management.
> Resources allocated with __free are automatically released at the end of
> the scope. This enhancement aims to mitigate memory management issues
> associated with forgetting to release resources by utilizing __free
> instead of of_node_put().
> 
> The declaration of the device_node used within the do-while loops is
> moved directly within the loop so that the resource is automatically
> freed at the end of each iteration.
> 
> Suggested-by: Julia Lawall <julia.lawall@xxxxxxxx>
> Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@xxxxxxxxx>
> ---
>  drivers/base/arch_topology.c | 51 +++++++++++++++---------------------
>  1 file changed, 21 insertions(+), 30 deletions(-)

How was all of this tested?

thanks,

greg k-h