hwmon: (occ) Fix power sensor indexing
authorEddie James <eajames@linux.ibm.com>
Tue, 19 Mar 2019 21:01:58 +0000 (16:01 -0500)
committerGuenter Roeck <linux@roeck-us.net>
Fri, 29 Mar 2019 16:51:44 +0000 (09:51 -0700)
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: 54076cb3b5ff ("hwmon (occ): Add sensor attributes and register ...")
Cc: stable@vger.kernel.org
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Tested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/occ/common.c

index b91a80abf724d087e02cc7aa97e211a1380f6570..4679acb4918e7f65660a8e0e32a7c5f793f03ff0 100644 (file)
@@ -890,6 +890,8 @@ 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;
@@ -918,11 +920,11 @@ 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);