lkml.org 
[lkml]   [2020]   [May]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mailbox: imx: Disable the clock on devm_mbox_controller_register() failure
On Wed, May 20, 2020 at 12:22:46AM -0300, Fabio Estevam wrote:
> devm_mbox_controller_register() may fail, and in the case of failure the
> priv->clk clock that was previously enabled, should be disabled.
>
> Fixes: 2bb7005696e2 ("mailbox: Add support for i.MX messaging unit")
> Signed-off-by: Fabio Estevam <festevam@gmail.com>

Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>

> ---
> drivers/mailbox/imx-mailbox.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
> index 7906624a731c..3f7c4548c18f 100644
> --- a/drivers/mailbox/imx-mailbox.c
> +++ b/drivers/mailbox/imx-mailbox.c
> @@ -508,7 +508,13 @@ static int imx_mu_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, priv);
>
> - return devm_mbox_controller_register(dev, &priv->mbox);
> + ret = devm_mbox_controller_register(dev, &priv->mbox);
> + if (ret) {
> + clk_disable_unprepare(priv->clk);
> + return ret;
> + }
> +
> + return 0;
> }
>
> static int imx_mu_remove(struct platform_device *pdev)
> --
> 2.17.1
>
>

--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2020-05-20 06:53    [W:0.040 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site