On Mon, Jun 27, 2022 at 03:35:49PM +0800, Yang Yingliang wrote:
> Add the missing unlock before return from function rv8803_set_time()
> in the error handling case.
>
> Fixes: c27fee16fab1 ("rtc: rv8803: re-initialize all Epson RX8803 registers on voltage loss")
That's not the commit breaking it. Should be:
Fixes: f8176e0bb83ff ("rtc: rv8803: initialize registers on post-probe voltage loss")
With that fixed:
Reviewed-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Sascha
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> ---
> drivers/rtc/rtc-rv8803.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
> index fe1247e771b9..3527a0521e9b 100644
> --- a/drivers/rtc/rtc-rv8803.c
> +++ b/drivers/rtc/rtc-rv8803.c
> @@ -315,8 +315,10 @@ static int rv8803_set_time(struct device *dev, struct rtc_time *tm)
>
> if (flags & RV8803_FLAG_V2F) {
> ret = rv8803_regs_reset(rv8803);
> - if (ret)
> + if (ret) {
> + mutex_unlock(&rv8803->flags_lock);
> return ret;
> + }
> }
>
> ret = rv8803_write_reg(rv8803->client, RV8803_FLAG,
> --
> 2.25.1
>
>
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