[PATCH dev-5.0] hwmon: occ: Fix power sensor indexing

Eddie James eajames at linux.ibm.com
Wed Mar 20 07:58:13 AEDT 2019


In the case of power sensor version 0xA0, the sensor indexing overlapped
with the "caps" power sensors, resulting in probe failure and kernel
warnings. Fix this by specifying the next index for each power sensor
version.

Fixes: 54076cb ("hwmon (occ): Add sensor attributes and register ...")
Signed-off-by: Eddie James <eajames at linux.ibm.com>
---
 drivers/hwmon/occ/common.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index 391118c..c888f4a 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -889,6 +889,8 @@ static int occ_setup_sensor_attrs(struct occ *occ)
 				s++;
 			}
 		}
+
+		s = (sensors->power.num_sensors * 4) + 1;
 	} else {
 		for (i = 0; i < sensors->power.num_sensors; ++i) {
 			s = i + 1;
@@ -917,11 +919,11 @@ static int occ_setup_sensor_attrs(struct occ *occ)
 						     show_power, NULL, 3, i);
 			attr++;
 		}
-	}
 
-	if (sensors->caps.num_sensors >= 1) {
 		s = sensors->power.num_sensors + 1;
+	}
 
+	if (sensors->caps.num_sensors >= 1) {
 		snprintf(attr->name, sizeof(attr->name), "power%d_label", s);
 		attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL,
 					     0, 0);
-- 
1.8.3.1



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