diff mbox series

[v2,1/3] media: imx-pxp: Check the return value from clk_prepare_enable()

Message ID 1541450716-25523-1-git-send-email-festevam@gmail.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/3] media: imx-pxp: Check the return value from clk_prepare_enable() | expand

Commit Message

Fabio Estevam Nov. 5, 2018, 8:45 p.m. UTC
clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
Changes since v1:
- Properly enumerate the series

 drivers/media/platform/imx-pxp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Philipp Zabel Nov. 6, 2018, 9:48 a.m. UTC | #1
Hi Fabio,

thank you for the fixes!

On Mon, 2018-11-05 at 18:45 -0200, Fabio Estevam wrote:
> clk_prepare_enable() may fail, so we should better check its return value
> and propagate it in the case of error.
> 
> Signed-off-by: Fabio Estevam <festevam@gmail.com>
> ---
> Changes since v1:
> - Properly enumerate the series
> 
>  drivers/media/platform/imx-pxp.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/imx-pxp.c b/drivers/media/platform/imx-pxp.c
> index b76cd0e..27780f1 100644
> --- a/drivers/media/platform/imx-pxp.c
> +++ b/drivers/media/platform/imx-pxp.c
> @@ -1666,7 +1666,10 @@ static int pxp_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	clk_prepare_enable(dev->clk);
> +	ret = clk_prepare_enable(dev->clk);
> +	if (ret < 0)
> +		return ret;
> +
>  	pxp_soft_reset(dev);
>  
>  	spin_lock_init(&dev->irqlock);

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp
diff mbox series

Patch

diff --git a/drivers/media/platform/imx-pxp.c b/drivers/media/platform/imx-pxp.c
index b76cd0e..27780f1 100644
--- a/drivers/media/platform/imx-pxp.c
+++ b/drivers/media/platform/imx-pxp.c
@@ -1666,7 +1666,10 @@  static int pxp_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	clk_prepare_enable(dev->clk);
+	ret = clk_prepare_enable(dev->clk);
+	if (ret < 0)
+		return ret;
+
 	pxp_soft_reset(dev);
 
 	spin_lock_init(&dev->irqlock);