Hi Christophe,
On Tue 23 Aug 22, 09:42, Christophe JAILLET wrote:
> Release some resources in the error handling path of the probe and of
> sun6i_mipi_csi2_resources_setup(), as already done in the remove
> function.
Looks good to me, thanks!
Acked-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>
Cheers,
Paul
> Fixes: af54b4f4c17f ("media: sunxi: Add support for the A31 MIPI CSI-2 controller")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Changes in v2:
> * add some blank line [Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>]
> * rename the new labels [Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx>]
>
> v1:
> https://lore.kernel.org/all/9999a30560d0ab8201734cbab0483c6f840402da.1659295329.git.christophe.jaillet@xxxxxxxxxx/
> ---
> .../sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c | 20 +++++++++++++++----
> 1 file changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c b/drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c
> index a4e3f9a6b2ff..30d6c0c5161f 100644
> --- a/drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c
> +++ b/drivers/media/platform/sunxi/sun6i-mipi-csi2/sun6i_mipi_csi2.c
> @@ -661,7 +661,8 @@ sun6i_mipi_csi2_resources_setup(struct sun6i_mipi_csi2_device *csi2_dev,
> csi2_dev->reset = devm_reset_control_get_shared(dev, NULL);
> if (IS_ERR(csi2_dev->reset)) {
> dev_err(dev, "failed to get reset controller\n");
> - return PTR_ERR(csi2_dev->reset);
> + ret = PTR_ERR(csi2_dev->reset);
> + goto error_clock_rate_exclusive;
> }
>
> /* D-PHY */
> @@ -669,13 +670,14 @@ sun6i_mipi_csi2_resources_setup(struct sun6i_mipi_csi2_device *csi2_dev,
> csi2_dev->dphy = devm_phy_get(dev, "dphy");
> if (IS_ERR(csi2_dev->dphy)) {
> dev_err(dev, "failed to get MIPI D-PHY\n");
> - return PTR_ERR(csi2_dev->dphy);
> + ret = PTR_ERR(csi2_dev->dphy);
> + goto error_clock_rate_exclusive;
> }
>
> ret = phy_init(csi2_dev->dphy);
> if (ret) {
> dev_err(dev, "failed to initialize MIPI D-PHY\n");
> - return ret;
> + goto error_clock_rate_exclusive;
> }
>
> /* Runtime PM */
> @@ -683,6 +685,11 @@ sun6i_mipi_csi2_resources_setup(struct sun6i_mipi_csi2_device *csi2_dev,
> pm_runtime_enable(dev);
>
> return 0;
> +
> +error_clock_rate_exclusive:
> + clk_rate_exclusive_put(csi2_dev->clock_mod);
> +
> + return ret;
> }
>
> static void
> @@ -712,9 +719,14 @@ static int sun6i_mipi_csi2_probe(struct platform_device *platform_dev)
>
> ret = sun6i_mipi_csi2_bridge_setup(csi2_dev);
> if (ret)
> - return ret;
> + goto error_resources;
>
> return 0;
> +
> +error_resources:
> + sun6i_mipi_csi2_resources_cleanup(csi2_dev);
> +
> + return ret;
> }
>
> static int sun6i_mipi_csi2_remove(struct platform_device *platform_dev)
> --
> 2.34.1
>
--
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
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