2023-01-04 09:35:53

by Jiasheng Jiang

Subject: [PATCH] media: platform: ti: Add missing check for devm_regulator_get

Add check for the return value of devm_regulator_get since it may return
error pointer.

Fixes: 448de7e7850b ("[media] omap3isp: OMAP3 ISP core")
Signed-off-by: Jiasheng Jiang <[email protected]>
---
drivers/media/platform/ti/omap3isp/isp.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/media/platform/ti/omap3isp/isp.c b/drivers/media/platform/ti/omap3isp/isp.c
index 1d40bb59ff81..e7327e38482d 100644
--- a/drivers/media/platform/ti/omap3isp/isp.c
+++ b/drivers/media/platform/ti/omap3isp/isp.c
@@ -2307,7 +2307,16 @@ static int isp_probe(struct platform_device *pdev)

/* Regulators */
isp->isp_csiphy1.vdd = devm_regulator_get(&pdev->dev, "vdd-csiphy1");
+ if (IS_ERR(isp->isp_csiphy1.vdd)) {
+ ret = PTR_ERR(isp->isp_csiphy1.vdd);
+ goto error;
+ }
+
isp->isp_csiphy2.vdd = devm_regulator_get(&pdev->dev, "vdd-csiphy2");
+ if (IS_ERR(isp->isp_csiphy2.vdd)) {
+ ret = PTR_ERR(isp->isp_csiphy2.vdd);
+ goto error;
+ }

/* Clocks
*
--
2.25.1

2023-01-04 12:54:01

by Laurent Pinchart

Subject: Re: [PATCH] media: platform: ti: Add missing check for devm_regulator_get

Hi Jiasheng,

Thank you for the patch.

On Wed, Jan 04, 2023 at 04:55:37PM +0800, Jiasheng Jiang wrote:
> Add check for the return value of devm_regulator_get since it may return
> error pointer.
>
> Fixes: 448de7e7850b ("[media] omap3isp: OMAP3 ISP core")
> Signed-off-by: Jiasheng Jiang <[email protected]>

Reviewed-by: Laurent Pinchart <[email protected]>

> ---
> drivers/media/platform/ti/omap3isp/isp.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/media/platform/ti/omap3isp/isp.c b/drivers/media/platform/ti/omap3isp/isp.c
> index 1d40bb59ff81..e7327e38482d 100644
> --- a/drivers/media/platform/ti/omap3isp/isp.c
> +++ b/drivers/media/platform/ti/omap3isp/isp.c
> @@ -2307,7 +2307,16 @@ static int isp_probe(struct platform_device *pdev)
>
> /* Regulators */
> isp->isp_csiphy1.vdd = devm_regulator_get(&pdev->dev, "vdd-csiphy1");
> + if (IS_ERR(isp->isp_csiphy1.vdd)) {
> + ret = PTR_ERR(isp->isp_csiphy1.vdd);
> + goto error;
> + }
> +
> isp->isp_csiphy2.vdd = devm_regulator_get(&pdev->dev, "vdd-csiphy2");
> + if (IS_ERR(isp->isp_csiphy2.vdd)) {
> + ret = PTR_ERR(isp->isp_csiphy2.vdd);
> + goto error;
> + }
>
> /* Clocks
> *

--
Regards,

Laurent Pinchart