diff --git a/drivers/hwmon/hp-wmi-sensors.c b/drivers/hwmon/hp-wmi-sensors.c
index b5325d0e72b9c..dfa1d6926deac 100644
--- a/drivers/hwmon/hp-wmi-sensors.c
+++ b/drivers/hwmon/hp-wmi-sensors.c
@@ -1637,6 +1637,8 @@ static void hp_wmi_notify(u32 value, void *context)
 		goto out_unlock;
 
 	wobj = out.pointer;
+	if (!wobj)
+		goto out_unlock;
 
 	err = populate_event_from_wobj(dev, &event, wobj);
 	if (err) {
diff --git a/drivers/hwmon/ltc2991.c b/drivers/hwmon/ltc2991.c
index 573cd8f5721bd..7ca139e4b6aff 100644
--- a/drivers/hwmon/ltc2991.c
+++ b/drivers/hwmon/ltc2991.c
@@ -42,9 +42,9 @@
 #define LTC2991_V7_V8_FILT_EN		BIT(7)
 #define LTC2991_V7_V8_TEMP_EN		BIT(5)
 #define LTC2991_V7_V8_DIFF_EN		BIT(4)
-#define LTC2991_V5_V6_FILT_EN		BIT(7)
-#define LTC2991_V5_V6_TEMP_EN		BIT(5)
-#define LTC2991_V5_V6_DIFF_EN		BIT(4)
+#define LTC2991_V5_V6_FILT_EN		BIT(3)
+#define LTC2991_V5_V6_TEMP_EN		BIT(1)
+#define LTC2991_V5_V6_DIFF_EN		BIT(0)
 
 #define LTC2991_REPEAT_ACQ_EN		BIT(4)
 #define LTC2991_T_INT_FILT_EN		BIT(3)