diff options
| author | Len Brown <len.brown@intel.com> | 2010-10-25 02:13:44 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-10-25 02:13:44 -0400 |
| commit | b10b977b792bb28c03267e00562c8254dca50f36 (patch) | |
| tree | c197935bb04c88775faa6782454f3a462cebf3d3 /drivers/pnp | |
| parent | 22156ea7bb631ac4d74b706f4875d41b2520dc26 (diff) | |
| parent | 420a0f66378c84b00b0e603e4d38210102dbe367 (diff) | |
Merge branch 'pnpacpi-invalid-device-id' into release
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/pnpacpi/core.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 4aafcf89b03b..2d73dfcecdbb 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -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; + + 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, acpi_device_hid(device)); + 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; |