[PATCH] rtc: rv8803: unlock on error path in rv8803_set_time()

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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(-)

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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