4 files changed, 6 insertions, 4 deletions

diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index ab65b2c2560e..f39fbc6b9237 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -540,7 +540,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
  ******************************************************************************/
 
 acpi_status
-acpi_get_devices(char *HID,
+acpi_get_devices(const char *HID,
                  acpi_walk_callback user_function,
                  void *context, void **return_value)
 {
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index be74347d1354..64620d668742 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -35,8 +35,9 @@ struct acpi_device_bus_id{
  * e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get:
  * char *modalias: "acpi:IBM0001:ACPI0001"
 */
-int create_modalias(struct acpi_device *acpi_dev, char *modalias, int size){
-
+static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
+                           int size)
+{
         int len;
 
         if (!acpi_dev->flags.hardware_id)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index e8cff5dd4cbc..c52ade816fb4 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -305,7 +305,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
         unsigned long d_min, d_max;
 
         if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
-                printk(KERN_ERR "ACPI handle has no context!\n");
+                printk(KERN_DEBUG "ACPI handle has no context!\n");
                 return -ENODEV;
         }
 
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 1621655d6e2b..93ea8290b4f7 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -126,6 +126,7 @@ const char *acpi_format_exception(acpi_status status)
                             "Unknown exception code: 0x%8.8X", status));
 
                 exception = "UNKNOWN_STATUS_CODE";
+                dump_stack();
         }
 
         return (ACPI_CAST_PTR(const char, exception));