1 files changed, 8 insertions, 13 deletions

diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 2dbb1b0f11d5..959a893c8d1f 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -48,18 +48,17 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count,
         static int chars_remaining = 0;
         static char *ptr;
 
-        ACPI_FUNCTION_TRACE("acpi_system_read_event");
 
         if (!chars_remaining) {
                 memset(&event, 0, sizeof(struct acpi_bus_event));
 
                 if ((file->f_flags & O_NONBLOCK)
                     && (list_empty(&acpi_bus_event_list)))
-                        return_VALUE(-EAGAIN);
+                        return -EAGAIN;
 
                 result = acpi_bus_receive_event(&event);
                 if (result)
-                        return_VALUE(result);
+                        return result;
 
                 chars_remaining = sprintf(str, "%s %s %08x %08x\n",
                                           event.device_class ? event.
@@ -75,13 +74,13 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count,
         }
 
         if (copy_to_user(buffer, ptr, count))
-                return_VALUE(-EFAULT);
+                return -EFAULT;
 
         *ppos += count;
         chars_remaining -= count;
         ptr += count;
 
-        return_VALUE(count);
+        return count;
 }
 
 static int acpi_system_close_event(struct inode *inode, struct file *file)
@@ -100,7 +99,7 @@ static unsigned int acpi_system_poll_event(struct file *file, poll_table * wait)
         return 0;
 }
 
-static struct file_operations acpi_system_event_ops = {
+static const struct file_operations acpi_system_event_ops = {
         .open = acpi_system_open_event,
         .read = acpi_system_read_event,
         .release = acpi_system_close_event,
@@ -112,22 +111,18 @@ static int __init acpi_event_init(void)
         struct proc_dir_entry *entry;
         int error = 0;
 
-        ACPI_FUNCTION_TRACE("acpi_event_init");
 
         if (acpi_disabled)
-                return_VALUE(0);
+                return 0;
 
         /* 'event' [R] */
         entry = create_proc_entry("event", S_IRUSR, acpi_root_dir);
         if (entry)
                 entry->proc_fops = &acpi_system_event_ops;
         else {
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-                                  "Unable to create '%s' proc fs entry\n",
-                                  "event"));
-                error = -EFAULT;
+                error = -ENODEV;
         }
-        return_VALUE(error);
+        return error;
 }
 
 subsys_initcall(acpi_event_init);