[PATCH 5.15 726/917] rtc: rv3032: fix error handling in rv3032_clkout_set_rate()

Greg Kroah-Hartman
2021-11-16T00:47:02Z

From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit c3336b8ac6091df60a5c1049a8c685d0b947cc61 ]

Do not call rv3032_exit_eerd() if the enter function fails but don't
forget to call the exit when the enter succeeds.

Fixes: 2eeaa532acca ("rtc: rv3032: Add a driver for Microcrystal RV-3032")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211012101028.GT2083@kadam
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/rtc/rtc-rv3032.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-rv3032.c b/drivers/rtc/rtc-rv3032.c
index d63102d5cb1e4..1b62ed2f14594 100644
--- a/drivers/rtc/rtc-rv3032.c
+++ b/drivers/rtc/rtc-rv3032.c
@@ -617,11 +617,11 @@ static int rv3032_clkout_set_rate(struct clk_hw *hw, unsigned long rate,

ret = rv3032_enter_eerd(rv3032, &eerd);
if (ret)
- goto exit_eerd;
+ return ret;

ret = regmap_write(rv3032->regmap, RV3032_CLKOUT1, hfd & 0xff);
if (ret)
- return ret;
+ goto exit_eerd;

ret = regmap_write(rv3032->regmap, RV3032_CLKOUT2, RV3032_CLKOUT2_OS |
FIELD_PREP(RV3032_CLKOUT2_HFD_MSK, hfd >> 8));
--
2.33.0