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Date: Thu, 11 Nov 2021 11:20:21 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Peng Fan <peng.fan@....com>
Cc: Christophe JAILLET <christophe.jaillet@...adoo.fr>,
"ohad@...ery.com" <ohad@...ery.com>,
"bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
dl-linux-imx <linux-imx@....com>,
Hongxing Zhu <hongxing.zhu@....com>,
"linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] remoteproc: imx_rproc: Fix a resource leak in the remove function
On Wed, 10 Nov 2021 at 01:54, Peng Fan <peng.fan@....com> wrote:
>
> > 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@...adoo.fr>
>
> Reviewed-and-Tested-by: Peng Fan <peng.fan@....com>
>
Thank you for that - I will pick up this patch when -rc1 or -rc2 gets released.
Thanks,
Mathieu
> > ---
> > 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
>
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