Re: [PATCH] mmc: tmio: Use common error handling code in tmio_mmc_host_probe()

From: Ulf Hansson
Date: Mon Oct 30 2017 - 07:40:40 EST


On 27 October 2017 at 19:17, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 27 Oct 2017 19:09:17 +0200
>
> * Add a jump target so that a bit of exception handling can be better
> reused at the end of this function.
>
> * Adjust condition checks.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
> drivers/mmc/host/tmio_mmc_core.c | 17 +++++++++--------
> 1 file changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
> index a7293e186e03..2e85d4048cec 100644
> --- a/drivers/mmc/host/tmio_mmc_core.c
> +++ b/drivers/mmc/host/tmio_mmc_core.c
> @@ -1286,23 +1286,24 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,
> pm_runtime_enable(&pdev->dev);
>
> ret = mmc_add_host(mmc);
> - if (ret < 0) {
> - tmio_mmc_host_remove(_host);
> - return ret;
> - }
> + if (ret)
> + goto remove_host;
>
> dev_pm_qos_expose_latency_limit(&pdev->dev, 100);
>
> if (pdata->flags & TMIO_MMC_USE_GPIO_CD) {
> ret = mmc_gpio_request_cd(mmc, pdata->cd_gpio, 0);
> - if (ret < 0) {
> - tmio_mmc_host_remove(_host);
> - return ret;
> - }
> + if (ret)
> + goto remove_host;
> +
> mmc_gpiod_request_cd_irq(mmc);
> }
>
> return 0;
> +
> +remove_host:
> + tmio_mmc_host_remove(_host);
> + return ret;
> }
> EXPORT_SYMBOL_GPL(tmio_mmc_host_probe);
>
> --
> 2.14.3
>