[PATCH] remoteproc: imx_rproc: Fix a resource leak in the remove function

Peng Fan peng.fan at nxp.com
Wed Nov 10 00:54:07 PST 2021


> Subject: [PATCH] remoteproc: imx_rproc: Fix a resource leak in the remove
> function
> 
> 'priv->workqueue' is destroyed in the error handling path of the probe but not
> in the remove function.
> 
> Add the missing call to release some resources.
> 
> Fixes: 2df7062002d0 ("remoteproc: imx_proc: enable virtio/mailbox")
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>

Reviewed-and-Tested-by: Peng Fan <peng.fan at nxp.com>

> ---
> This patch is speculative. I'm not sure if the added function call is at the right
> place in the remove function.
> Review with care.
> ---
>  drivers/remoteproc/imx_rproc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/remoteproc/imx_rproc.c
> b/drivers/remoteproc/imx_rproc.c index ff8170dbbc3c..0a45bc0d3f73
> 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -804,6 +804,7 @@ static int imx_rproc_remove(struct platform_device
> *pdev)
>  	clk_disable_unprepare(priv->clk);
>  	rproc_del(rproc);
>  	imx_rproc_free_mbox(rproc);
> +	destroy_workqueue(priv->workqueue);
>  	rproc_free(rproc);
> 
>  	return 0;
> --
> 2.30.2




More information about the linux-arm-kernel mailing list