Re: [PATCH] bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe

From: Kishon Vijay Abraham I
Date: Tue Jul 04 2017 - 06:22:48 EST


+Tony, Arnd,

Hi,

On Friday 19 May 2017 02:16 PM, Kishon Vijay Abraham I wrote:
> The error handling code in omap_ocp2scp_probe fails to invoke
> pm_runtime_disable and fails to initialize return value in
> certain cases. Fix it here.

Can this patch be picked into arm-soc tree?

Thanks
Kishon
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
> ---
> drivers/bus/omap-ocp2scp.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c
> index bf500e0e7362..77791f3dcfc6 100644
> --- a/drivers/bus/omap-ocp2scp.c
> +++ b/drivers/bus/omap-ocp2scp.c
> @@ -70,8 +70,10 @@ static int omap_ocp2scp_probe(struct platform_device *pdev)
> if (!of_device_is_compatible(np, "ti,am437x-ocp2scp")) {
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> regs = devm_ioremap_resource(&pdev->dev, res);
> - if (IS_ERR(regs))
> - goto err0;
> + if (IS_ERR(regs)) {
> + ret = PTR_ERR(regs);
> + goto err1;
> + }
>
> pm_runtime_get_sync(&pdev->dev);
> reg = readl_relaxed(regs + OCP2SCP_TIMING);
> @@ -83,6 +85,9 @@ static int omap_ocp2scp_probe(struct platform_device *pdev)
>
> return 0;
>
> +err1:
> + pm_runtime_disable(&pdev->dev);
> +
> err0:
> device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
>
>