[PATCH 6.12 068/337] hwmon: (ltc4282) Fix reading the minimum alarm voltage

Greg Kroah-Hartman <[email protected]>
Newsgroups dev.linux.lists.patches,org.kernel.vger.stable
Message-ID <[email protected]>
6.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Guenter Roeck <[email protected]>

[ Upstream commit 00feb1cce93dab948a299b69753d99c681d45a0b ]

Coverity reports an out-of-bounds access when reading the minimum alarm
voltage for the VGPIO channel. Add the missing return statement to fix
the problem.

Fixes: cbc29538dbf7 ("hwmon: Add driver for LTC4282")
Cc: Nuno Sa <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/hwmon/ltc4282.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/ltc4282.c b/drivers/hwmon/ltc4282.c
index d98c57918ce33..e1c0d02b564b7 100644
--- a/drivers/hwmon/ltc4282.c
+++ b/drivers/hwmon/ltc4282.c
@@ -382,8 +382,8 @@ static int ltc4282_read_in(struct ltc4282_state *st, u32 attr, long *val,
 						   channel, val);
 	case hwmon_in_min_alarm:
 		if (channel == LTC4282_CHAN_VGPIO)
-			ltc4282_read_alarm(st, LTC4282_ADC_ALERT_LOG,
-					   LTC4282_GPIO_ALARM_L_MASK, val);
+			return ltc4282_read_alarm(st, LTC4282_ADC_ALERT_LOG,
+						  LTC4282_GPIO_ALARM_L_MASK, val);
 
 		return ltc4282_vdd_source_read_alm(st,
 						   LTC4282_VSOURCE_ALARM_L_MASK,
-- 
2.53.0
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