1 files changed, 23 insertions, 40 deletions

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 7839b831df94..36ca365bcead 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -84,20 +84,18 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
 {
         acpi_status status = AE_OK;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_get_state");
 
         if (!ac)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state);
         if (ACPI_FAILURE(status)) {
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Error reading AC Adapter state\n"));
+                ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state"));
                 ac->state = ACPI_AC_STATUS_UNKNOWN;
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
-        return_VALUE(0);
+        return 0;
 }
 
 /* --------------------------------------------------------------------------
@@ -110,14 +108,13 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
 {
         struct acpi_ac *ac = (struct acpi_ac *)seq->private;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_seq_show");
 
         if (!ac)
-                return_VALUE(0);
+                return 0;
 
         if (acpi_ac_get_state(ac)) {
                 seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
-                return_VALUE(0);
+                return 0;
         }
 
         seq_puts(seq, "state:                   ");
@@ -133,7 +130,7 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
                 break;
         }
 
-        return_VALUE(0);
+        return 0;
 }
 
 static int acpi_ac_open_fs(struct inode *inode, struct file *file)
@@ -145,13 +142,12 @@ static int acpi_ac_add_fs(struct acpi_device *device)
 {
         struct proc_dir_entry *entry = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_add_fs");
 
         if (!acpi_device_dir(device)) {
                 acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
                                                      acpi_ac_dir);
                 if (!acpi_device_dir(device))
-                        return_VALUE(-ENODEV);
+                        return -ENODEV;
                 acpi_device_dir(device)->owner = THIS_MODULE;
         }
 
@@ -159,21 +155,18 @@ static int acpi_ac_add_fs(struct acpi_device *device)
         entry = create_proc_entry(ACPI_AC_FILE_STATE,
                                   S_IRUGO, acpi_device_dir(device));
         if (!entry)
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Unable to create '%s' fs entry\n",
-                                  ACPI_AC_FILE_STATE));
+                return -ENODEV;
         else {
                 entry->proc_fops = &acpi_ac_fops;
                 entry->data = acpi_driver_data(device);
                 entry->owner = THIS_MODULE;
         }
 
-        return_VALUE(0);
+        return 0;
 }
 
 static int acpi_ac_remove_fs(struct acpi_device *device)
 {
-        ACPI_FUNCTION_TRACE("acpi_ac_remove_fs");
 
         if (acpi_device_dir(device)) {
                 remove_proc_entry(ACPI_AC_FILE_STATE, acpi_device_dir(device));
@@ -182,7 +175,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device)
                 acpi_device_dir(device) = NULL;
         }
 
-        return_VALUE(0);
+        return 0;
 }
 
 /* --------------------------------------------------------------------------
@@ -194,13 +187,12 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
         struct acpi_ac *ac = (struct acpi_ac *)data;
         struct acpi_device *device = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_notify");
 
         if (!ac)
-                return_VOID;
+                return;
 
         if (acpi_bus_get_device(ac->handle, &device))
-                return_VOID;
+                return;
 
         switch (event) {
         case ACPI_AC_NOTIFY_STATUS:
@@ -213,7 +205,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
                 break;
         }
 
-        return_VOID;
+        return;
 }
 
 static int acpi_ac_add(struct acpi_device *device)
@@ -222,14 +214,13 @@ static int acpi_ac_add(struct acpi_device *device)
         acpi_status status = AE_OK;
         struct acpi_ac *ac = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_add");
 
         if (!device)
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
         if (!ac)
-                return_VALUE(-ENOMEM);
+                return -ENOMEM;
         memset(ac, 0, sizeof(struct acpi_ac));
 
         ac->handle = device->handle;
@@ -249,8 +240,6 @@ static int acpi_ac_add(struct acpi_device *device)
                                              ACPI_DEVICE_NOTIFY, acpi_ac_notify,
                                              ac);
         if (ACPI_FAILURE(status)) {
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Error installing notify handler\n"));
                 result = -ENODEV;
                 goto end;
         }
@@ -265,7 +254,7 @@ static int acpi_ac_add(struct acpi_device *device)
                 kfree(ac);
         }
 
-        return_VALUE(result);
+        return result;
 }
 
 static int acpi_ac_remove(struct acpi_device *device, int type)
@@ -273,55 +262,49 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
         acpi_status status = AE_OK;
         struct acpi_ac *ac = NULL;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_remove");
 
         if (!device || !acpi_driver_data(device))
-                return_VALUE(-EINVAL);
+                return -EINVAL;
 
         ac = (struct acpi_ac *)acpi_driver_data(device);
 
         status = acpi_remove_notify_handler(ac->handle,
                                             ACPI_DEVICE_NOTIFY, acpi_ac_notify);
-        if (ACPI_FAILURE(status))
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Error removing notify handler\n"));
 
         acpi_ac_remove_fs(device);
 
         kfree(ac);
 
-        return_VALUE(0);
+        return 0;
 }
 
 static int __init acpi_ac_init(void)
 {
         int result = 0;
 
-        ACPI_FUNCTION_TRACE("acpi_ac_init");
 
         acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
         if (!acpi_ac_dir)
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         acpi_ac_dir->owner = THIS_MODULE;
 
         result = acpi_bus_register_driver(&acpi_ac_driver);
         if (result < 0) {
                 remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
-                return_VALUE(-ENODEV);
+                return -ENODEV;
         }
 
-        return_VALUE(0);
+        return 0;
 }
 
 static void __exit acpi_ac_exit(void)
 {
-        ACPI_FUNCTION_TRACE("acpi_ac_exit");
 
         acpi_bus_unregister_driver(&acpi_ac_driver);
 
         remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
 
-        return_VOID;
+        return;
 }
 
 module_init(acpi_ac_init);