diff options
Diffstat (limited to 'drivers/hwmon/drivetemp.c')
-rw-r--r-- | drivers/hwmon/drivetemp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hwmon/drivetemp.c b/drivers/hwmon/drivetemp.c index 370d0c74eb01..0d4f3d97ffc6 100644 --- a/drivers/hwmon/drivetemp.c +++ b/drivers/hwmon/drivetemp.c @@ -264,12 +264,18 @@ static int drivetemp_get_scttemp(struct drivetemp_data *st, u32 attr, long *val) return err; switch (attr) { case hwmon_temp_input: + if (!temp_is_valid(buf[SCT_STATUS_TEMP])) + return -ENODATA; *val = temp_from_sct(buf[SCT_STATUS_TEMP]); break; case hwmon_temp_lowest: + if (!temp_is_valid(buf[SCT_STATUS_TEMP_LOWEST])) + return -ENODATA; *val = temp_from_sct(buf[SCT_STATUS_TEMP_LOWEST]); break; case hwmon_temp_highest: + if (!temp_is_valid(buf[SCT_STATUS_TEMP_HIGHEST])) + return -ENODATA; *val = temp_from_sct(buf[SCT_STATUS_TEMP_HIGHEST]); break; default: @@ -340,7 +346,7 @@ static int drivetemp_identify_sata(struct drivetemp_data *st) st->have_temp_highest = temp_is_valid(buf[SCT_STATUS_TEMP_HIGHEST]); if (!have_sct_data_table) - goto skip_sct; + goto skip_sct_data; /* Request and read temperature history table */ memset(buf, '\0', sizeof(st->smartdata)); |