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authorYang Yingliang <yangyingliang@huawei.com>2022-06-27 16:08:22 +0800
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2022-07-26 11:29:05 +0200
commitbb42b7e9e30e7a07b7cb6790a22dc758b0dc123e (patch)
treeb27317aab773bff9de2f6ef139234e97279de7e6 /drivers/rtc/rtc-rv8803.c
parent07dcc6f9c76275d6679f28a69e042a2f9dc8f128 (diff)
rtc: rv8803: fix missing unlock on error in rv8803_set_time()
Add the missing unlock before return from function rv8803_set_time() in the error handling case. Fixes: f8176e0bb83f ("rtc: rv8803: initialize registers on post-probe voltage loss") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20220627080822.3881072-1-yangyingliang@huawei.com
Diffstat (limited to 'drivers/rtc/rtc-rv8803.c')
-rw-r--r--drivers/rtc/rtc-rv8803.c4
1 files changed, 3 insertions, 1 deletions
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,