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Merge branch 'pnpacpi-invalid-device-id' into release

This commit is contained in:
Len Brown 2010-10-25 02:13:44 -04:00
parent 22156ea7bb 420a0f6637
commit b10b977b79
1 changed files with 24 additions and 5 deletions
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29
drivers/pnp/pnpacpi/core.c
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@ -28,7 +28,7 @@
#include "../base.h"
#include "pnpacpi.h"
static int num = 0;
static int num;
/* We need only to blacklist devices that have already an acpi driver that
* can't use pnp layer. We don't need to blacklist device that are directly
@ -180,11 +180,24 @@ struct pnp_protocol pnpacpi_protocol = {
};
EXPORT_SYMBOL(pnpacpi_protocol);
static char *pnpacpi_get_id(struct acpi_device *device)
{
struct acpi_hardware_id *id;
list_for_each_entry(id, &device->pnp.ids, list) {
if (ispnpidacpi(id->id))
return id->id;
}
return NULL;
}
static int __init pnpacpi_add_device(struct acpi_device *device)
{
acpi_handle temp = NULL;
acpi_status status;
struct pnp_dev *dev;
char *pnpid;
struct acpi_hardware_id *id;
/*
@ -192,11 +205,17 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
* driver should not be loaded.
*/
status = acpi_get_handle(device->handle, "_CRS", &temp);
if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
is_exclusive_device(device) || (!device->status.present))
if (ACPI_FAILURE(status))
return 0;
dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
pnpid = pnpacpi_get_id(device);
if (!pnpid)
return 0;
if (is_exclusive_device(device) || !device->status.present)
return 0;
dev = pnp_alloc_dev(&pnpacpi_protocol, num, pnpid);
if (!dev)
return -ENOMEM;
@ -227,7 +246,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
pnpacpi_parse_resource_option_data(dev);
list_for_each_entry(id, &device->pnp.ids, list) {
if (!strcmp(id->id, acpi_device_hid(device)))
if (!strcmp(id->id, pnpid))
continue;
if (!ispnpidacpi(id->id))
continue;