Hi Dan,
On Tue, Jun 28, 2022 at 09:58:45AM +0300, Dan Carpenter wrote:
> Call mutex_unlock(&rv8803->flags_lock) before returning if
> rv8803_regs_reset() fails.
>
> Fixes: f8176e0bb83f ("rtc: rv8803: initialize registers on post-probe voltage loss")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> drivers/rtc/rtc-rv8803.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
A fix for this is already posted here:
https://lore.kernel.org/lkml/20220627080822.3881072-1-yangyingliang@xxxxxxxxxx/
Sascha
>
> 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,
> --
> 2.35.1
>
>
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