[PATCH -next] media: imx: imx7_mipi_csis: Fix error return code in mipi_csis_async_register()

[PATCH -next] media: imx: imx7_mipi_csis: Fix error return code in mipi_csis_async_register()

[Wei Yongjun]

Fix to return negative error code -EINVAL from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 88fc81388df9 ("media: imx: imx7_mipi_csis: Reject invalid data-lanes settings")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/staging/media/imx/imx7-mipi-csis.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index d573f3475d28..9cd3c86fee58 100644
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -1175,6 +1175,7 @@ static int mipi_csis_async_register(struct csi_state *state)
 		if (vep.bus.mipi_csi2.data_lanes[i] != i + 1) {
 			dev_err(state->dev,
 				"data lanes reordering is not supported");
+			ret = -EINVAL;
 			goto err_parse;
 		}
 	}

Re: [PATCH -next] media: imx: imx7_mipi_csis: Fix error return code in mipi_csis_async_register()

[Rui Miguel Silva]

Hi Yongjun,
Thanks for the patch.

On Mon May 24, 2021 at 2:35 PM WEST, Wei Yongjun wrote:

> Fix to return negative error code -EINVAL from the error handling
> case instead of 0, as done elsewhere in this function.
>
> Fixes: 88fc81388df9 ("media: imx: imx7_mipi_csis: Reject invalid data-lanes settings")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Looks good to me, thanks.

Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>

------
Cheers,
     Rui
> ---
>  drivers/staging/media/imx/imx7-mipi-csis.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
> index d573f3475d28..9cd3c86fee58 100644
> --- a/drivers/staging/media/imx/imx7-mipi-csis.c
> +++ b/drivers/staging/media/imx/imx7-mipi-csis.c
> @@ -1175,6 +1175,7 @@ static int mipi_csis_async_register(struct csi_state *state)
>  		if (vep.bus.mipi_csi2.data_lanes[i] != i + 1) {
>  			dev_err(state->dev,
>  				"data lanes reordering is not supported");
> +			ret = -EINVAL;
>  			goto err_parse;
>  		}
>  	}