diff options
Diffstat (limited to 'drivers/hwmon/occ/common.c')
| -rw-r--r-- | drivers/hwmon/occ/common.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 13a6290c8d25..d593517af5c2 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -241,6 +241,12 @@ static ssize_t occ_show_temp_1(struct device *dev, val = get_unaligned_be16(&temp->sensor_id); break; case 1: + /* + * If a sensor reading has expired and couldn't be refreshed, + * OCC returns 0xFFFF for that sensor. + */ + if (temp->value == 0xFFFF) + return -EREMOTEIO; val = get_unaligned_be16(&temp->value) * 1000; break; default: |