X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Facpi%2Fdebug.c;fp=drivers%2Facpi%2Fdebug.c;h=263322b7d113d743caa9200ce7b9b8c592cd284b;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=35c6af8a83cdd23c5d0d1082eb0465f7858ee290;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 35c6af8a8..263322b7d 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -155,12 +155,13 @@ acpi_system_write_debug(struct file *file,
 {
 	char debug_string[12] = { '\0' };
 
+	ACPI_FUNCTION_TRACE("acpi_system_write_debug");
 
 	if (count > sizeof(debug_string) - 1)
-		return -EINVAL;
+		return_VALUE(-EINVAL);
 
 	if (copy_from_user(debug_string, buffer, count))
-		return -EFAULT;
+		return_VALUE(-EFAULT);
 
 	debug_string[count] = '\0';
 
@@ -172,10 +173,10 @@ acpi_system_write_debug(struct file *file,
 		acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
 		break;
 	default:
-		return -EINVAL;
+		return_VALUE(-EINVAL);
 	}
 
-	return count;
+	return_VALUE(count);
 }
 
 static int __init acpi_debug_init(void)
@@ -184,9 +185,10 @@ static int __init acpi_debug_init(void)
 	int error = 0;
 	char *name;
 
+	ACPI_FUNCTION_TRACE("acpi_debug_init");
 
 	if (acpi_disabled)
-		return 0;
+		return_VALUE(0);
 
 	/* 'debug_layer' [R/W] */
 	name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
@@ -211,12 +213,15 @@ static int __init acpi_debug_init(void)
 		goto Error;
 
       Done:
-	return error;
+	return_VALUE(error);
 
       Error:
+	ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+			  "Unable to create '%s' proc fs entry\n", name));
+
 	remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
 	remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
-	error = -ENODEV;
+	error = -EFAULT;
 	goto Done;
 }