Re: [PATCH v3 5/9] dmaengine: idxd: Add missing cleanups in cleanup internals

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On 3/8/25 11:20 PM, Shuai Xue wrote:
> The idxd_cleanup_internals() function only decreases the reference count
> of groups, engines, and wqs but is missing the step to release memory
> resources.
> 
> To fix this, use the cleanup helper to properly release the memory
> resources.
> 
> Fixes: ddf742d4f3f1 ("dmaengine: idxd: Add missing cleanup for early error out in probe call")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx>
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>

> ---
>  drivers/dma/idxd/init.c | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
> index 7334085939dc..cf5dc981be32 100644
> --- a/drivers/dma/idxd/init.c
> +++ b/drivers/dma/idxd/init.c
> @@ -408,14 +408,9 @@ static int idxd_setup_groups(struct idxd_device *idxd)
>  
>  static void idxd_cleanup_internals(struct idxd_device *idxd)
>  {
> -	int i;
> -
> -	for (i = 0; i < idxd->max_groups; i++)
> -		put_device(group_confdev(idxd->groups[i]));
> -	for (i = 0; i < idxd->max_engines; i++)
> -		put_device(engine_confdev(idxd->engines[i]));
> -	for (i = 0; i < idxd->max_wqs; i++)
> -		put_device(wq_confdev(idxd->wqs[i]));
> +	idxd_clean_groups(idxd);
> +	idxd_clean_engines(idxd);
> +	idxd_clean_wqs(idxd);
>  	destroy_workqueue(idxd->wq);
>  }
>  





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