thermal: make device_register's type argument const

...because it can be, the buffer is strlcpy'd into a local buffer in a
thermal struct member.

Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 6590bb5cb6885e4d2d0af88e3aa741cc24bd7745..b708b66fef943affdb6033c405e312dfcb08b170 100644 (file)
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -941,7 +941,7 @@ static void bind_cdev(struct thermal_cooling_device *cdev)
  */
 static struct thermal_cooling_device *
 __thermal_cooling_device_register(struct device_node *np,
-                                 char *type, void *devdata,
+                                 const char *type, void *devdata,
                                  const struct thermal_cooling_device_ops *ops)
 {
        struct thermal_cooling_device *cdev;
@@ -1015,7 +1015,7 @@ __thermal_cooling_device_register(struct device_node *np,
  * ERR_PTR. Caller must check return value with IS_ERR*() helpers.
  */
 struct thermal_cooling_device *
-thermal_cooling_device_register(char *type, void *devdata,
+thermal_cooling_device_register(const char *type, void *devdata,
                                const struct thermal_cooling_device_ops *ops)
 {
        return __thermal_cooling_device_register(NULL, type, devdata, ops);
@@ -1039,7 +1039,7 @@ EXPORT_SYMBOL_GPL(thermal_cooling_device_register);
  */
 struct thermal_cooling_device *
 thermal_of_cooling_device_register(struct device_node *np,
-                                  char *type, void *devdata,
+                                  const char *type, void *devdata,
                                   const struct thermal_cooling_device_ops *ops)
 {
        return __thermal_cooling_device_register(np, type, devdata, ops);

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 5f4705f46c2f9ab8aae927304443807de8e27f4d..42ddaafe7705fc98fad8d69e877986f442f090a2 100644 (file)
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -442,10 +442,10 @@ void thermal_zone_device_update(struct thermal_zone_device *,
                                enum thermal_notify_event);
 void thermal_zone_set_trips(struct thermal_zone_device *);
 
-struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
-               const struct thermal_cooling_device_ops *);
+struct thermal_cooling_device *thermal_cooling_device_register(const char *,
+               void *, const struct thermal_cooling_device_ops *);
 struct thermal_cooling_device *
-thermal_of_cooling_device_register(struct device_node *np, char *, void *,
+thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
                                   const struct thermal_cooling_device_ops *);
 void thermal_cooling_device_unregister(struct thermal_cooling_device *);
 struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);