Re: [PATCH 1/2] watchdog: dw_wdt: Fix the error handling path of dw_wdt_drv_probe()

From: Guenter Roeck
Date: Wed Apr 26 2023 - 09:46:59 EST


On Wed, Apr 26, 2023 at 08:52:48AM +0200, Christophe JAILLET wrote:
> The commit in Fixes has only updated the remove function and missed the
> error handling path of the probe.
>
> Add the missing reset_control_assert() call.
>
> Fixes: 65a3b6935d92 ("watchdog: dw_wdt: get reset lines from dt")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/dw_wdt.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
> index 6f88bd81f8a1..a1354a59eb37 100644
> --- a/drivers/watchdog/dw_wdt.c
> +++ b/drivers/watchdog/dw_wdt.c
> @@ -635,7 +635,7 @@ static int dw_wdt_drv_probe(struct platform_device *pdev)
>
> ret = dw_wdt_init_timeouts(dw_wdt, dev);
> if (ret)
> - goto out_disable_clk;
> + goto out_assert_rst;
>
> wdd = &dw_wdt->wdd;
> wdd->ops = &dw_wdt_ops;
> @@ -667,12 +667,15 @@ static int dw_wdt_drv_probe(struct platform_device *pdev)
>
> ret = watchdog_register_device(wdd);
> if (ret)
> - goto out_disable_pclk;
> + goto out_assert_rst;
>
> dw_wdt_dbgfs_init(dw_wdt);
>
> return 0;
>
> +out_assert_rst:
> + reset_control_assert(dw_wdt->rst);
> +
> out_disable_pclk:
> clk_disable_unprepare(dw_wdt->pclk);
>
> --
> 2.34.1
>