patch-2.4.10 linux/drivers/acpi/ospm/button/bn_osl.c
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- Lines: 81
- Date:
Sun Sep 23 09:42:32 2001
- Orig file:
v2.4.9/linux/drivers/acpi/ospm/button/bn_osl.c
- Orig date:
Tue Jul 3 17:08:19 2001
diff -u --recursive --new-file v2.4.9/linux/drivers/acpi/ospm/button/bn_osl.c linux/drivers/acpi/ospm/button/bn_osl.c
@@ -1,7 +1,7 @@
/******************************************************************************
*
* Module Name: bn_osl.c
- * $Revision: 10 $
+ * $Revision: 14 $
*
*****************************************************************************/
@@ -35,6 +35,7 @@
MODULE_AUTHOR("Andrew Grover");
MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Button Driver");
+MODULE_LICENSE("GPL");
#define BN_PROC_ROOT "button"
@@ -52,11 +53,11 @@
*
****************************************************************************/
-ACPI_STATUS
+acpi_status
bn_osl_add_device(
BN_CONTEXT *button)
{
- ACPI_STATUS status = AE_OK;
+ acpi_status status = AE_OK;
if (!button) {
return(AE_BAD_PARAMETER);
@@ -98,7 +99,7 @@
*
****************************************************************************/
-ACPI_STATUS
+acpi_status
bn_osl_remove_device (
BN_CONTEXT *button)
{
@@ -133,12 +134,12 @@
*
****************************************************************************/
-ACPI_STATUS
+acpi_status
bn_osl_generate_event (
u32 event,
BN_CONTEXT *button)
{
- ACPI_STATUS status = AE_OK;
+ acpi_status status = AE_OK;
if (!button) {
return(AE_BAD_PARAMETER);
@@ -195,10 +196,14 @@
*
****************************************************************************/
-static int __init
+static int __init
bn_osl_init (void)
{
- ACPI_STATUS status = AE_OK;
+ acpi_status status = AE_OK;
+
+ /* abort if no busmgr */
+ if (!bm_proc_root)
+ return -ENODEV;
bn_proc_root = proc_mkdir(BN_PROC_ROOT, bm_proc_root);
if (!bn_proc_root) {
@@ -227,7 +232,7 @@
*
****************************************************************************/
-static void __exit
+static void __exit
bn_osl_cleanup (void)
{
bn_terminate();
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