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* Fixed module leak in case there was an error during init when used on BeOS.

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* Check safemode settings only when it's not already disabled (doesn't make
  sense to check those then).
* Minor cleanup


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22408 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-10-02 11:56:33 +00:00
parent fb151b4af1
commit 828d9454da
1 changed files with 77 additions and 56 deletions
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97
src/add-ons/kernel/bus_managers/acpi/acpi_busman.c
View File

@ -62,84 +62,104 @@ struct acpi_module_info acpi_module = {
status_t
acpi_std_ops(int32 op,...)
{
ACPI_STATUS Status;
switch (op) {
case B_MODULE_INIT:
{
ACPI_STATUS status;
bool acpiDisabled = false;
void *settings;
switch(op) {
case B_MODULE_INIT:
// check if safemode settings disable DMA
settings = load_driver_settings("kernel");
if (settings != NULL) {
acpiDisabled = !get_driver_boolean_parameter(settings, "acpi", true, true);
acpiDisabled = !get_driver_boolean_parameter(settings, "acpi",
true, true);
unload_driver_settings(settings);
}
if (!acpiDisabled) {
// check if safemode settings disable DMA
settings = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS);
if (settings != NULL) {
acpiDisabled = get_driver_boolean_parameter(settings, B_SAFEMODE_DISABLE_ACPI,
acpiDisabled, acpiDisabled);
acpiDisabled = get_driver_boolean_parameter(settings,
B_SAFEMODE_DISABLE_ACPI, false, false);
unload_driver_settings(settings);
}
}
if (acpiDisabled) {
ERROR("ACPI disabled");
return ENOSYS;
}
#ifndef __HAIKU__
#ifndef __HAIKU__
{
// Once upon a time, there was no module(s) dependency(ies) automatic loading feature.
// Let's do it the old way
status_t status;
status = get_module(B_DPC_MODULE_NAME, (module_info **) &gDPC);
if (status != B_OK) return status;
status = get_module(B_DPC_MODULE_NAME, (module_info **)&gDPC);
if (status != B_OK)
return status;
status = get_module(B_PCI_MODULE_NAME, (module_info **) &gPCIManager);
if (status != B_OK) return status;
status = get_module(B_PCI_MODULE_NAME,
(module_info **)&gPCIManager);
if (status != B_OK) {
put_module(B_DPC_MODULE_NAME);
return status;
}
#endif
}
#endif
gDPChandle = gDPC->new_dpc_queue("acpi_task", B_NORMAL_PRIORITY, 10);
#ifdef ACPI_DEBUG_OUTPUT
#ifdef ACPI_DEBUG_OUTPUT
AcpiDbgLevel = ACPI_DEBUG_ALL | ACPI_LV_VERBOSE;
AcpiDbgLayer = ACPI_ALL_COMPONENTS;
#endif
#endif
Status = AcpiInitializeSubsystem();
if (Status != AE_OK) {
ERROR("AcpiInitializeSubsystem failed (%s)\n", AcpiFormatException(Status));
return B_ERROR;
status = AcpiInitializeSubsystem();
if (status != AE_OK) {
ERROR("AcpiInitializeSubsystem failed (%s)\n",
AcpiFormatException(status));
goto err;
}
Status = AcpiInitializeTables(NULL, 0, TRUE);
if (Status != AE_OK) {
ERROR("AcpiInitializeTables failed (%s)\n", AcpiFormatException(Status));
return B_ERROR;
status = AcpiInitializeTables(NULL, 0, TRUE);
if (status != AE_OK) {
ERROR("AcpiInitializeTables failed (%s)\n",
AcpiFormatException(status));
goto err;
}
Status = AcpiLoadTables();
if (Status != AE_OK) {
ERROR("AcpiLoadTables failed (%s)\n", AcpiFormatException(Status));
return B_ERROR;
status = AcpiLoadTables();
if (status != AE_OK) {
ERROR("AcpiLoadTables failed (%s)\n",
AcpiFormatException(status));
goto err;
}
Status = AcpiEnableSubsystem(ACPI_FULL_INITIALIZATION);
if (Status != AE_OK) {
ERROR("AcpiEnableSubsystem failed (%s)\n", AcpiFormatException(Status));
return B_ERROR;
status = AcpiEnableSubsystem(ACPI_FULL_INITIALIZATION);
if (status != AE_OK) {
ERROR("AcpiEnableSubsystem failed (%s)\n",
AcpiFormatException(status));
goto err;
}
/* Phew. Now in ACPI mode */
TRACE("ACPI initialized\n");
break;
return B_OK;
err:
#ifndef __HAIKU__
put_module(B_DPC_MODULE_NAME);
put_module(B_PCI_MODULE_NAME);
#endif
return B_ERROR;
}
case B_MODULE_UNINIT:
Status = AcpiTerminate();
if (Status != AE_OK)
{
if (AcpiTerminate() != AE_OK)
ERROR("Could not bring system out of ACPI mode. Oh well.\n");
/* This isn't so terrible. We'll just fail silently */
@ -148,14 +168,15 @@ acpi_std_ops(int32 op,...)
gDPChandle = NULL;
}
#ifndef __HAIKU__
#ifndef __HAIKU__
// Once upon a time, there was no module(s) dependency(ies) automatic UNloading feature.
// Let's do it the old way
put_module(B_DPC_MODULE_NAME);
put_module(B_PCI_MODULE_NAME);
#endif
#endif
break;
}
default:
return B_ERROR;
}