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-rw-r--r--drivers/thermal/thermal_core.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 892f3548ad6d..d4481cc8958f 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1245,17 +1245,26 @@ thermal_zone_device_register(const char *type, int trips, int mask,
int count;
struct thermal_governor *governor;
- if (!type || strlen(type) == 0)
+ if (!type || strlen(type) == 0) {
+ pr_err("Error: No thermal zone type defined\n");
return ERR_PTR(-EINVAL);
+ }
- if (type && strlen(type) >= THERMAL_NAME_LENGTH)
+ if (type && strlen(type) >= THERMAL_NAME_LENGTH) {
+ pr_err("Error: Thermal zone name (%s) too long, should be under %d chars\n",
+ type, THERMAL_NAME_LENGTH);
return ERR_PTR(-EINVAL);
+ }
- if (trips > THERMAL_MAX_TRIPS || trips < 0 || mask >> trips)
+ if (trips > THERMAL_MAX_TRIPS || trips < 0 || mask >> trips) {
+ pr_err("Error: Incorrect number of thermal trips\n");
return ERR_PTR(-EINVAL);
+ }
- if (!ops)
+ if (!ops) {
+ pr_err("Error: Thermal zone device ops not defined\n");
return ERR_PTR(-EINVAL);
+ }
if (trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp))
return ERR_PTR(-EINVAL);