diff options
| author | Andrew Patterson <andrew.patterson@hp.com> | 2008-01-23 01:18:22 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-01-23 20:43:44 +0100 |
| commit | 02f8a8586574350a1f3c2cee79cbc0faf630961d (patch) | |
| tree | 9f8f3d5111f656deb8f64a97b5d55d0711c9216c /drivers/acpi/namespace | |
| parent | Linux 2.6.24-rc8 (diff) | |
| download | linux-02f8a8586574350a1f3c2cee79cbc0faf630961d.tar.xz linux-02f8a8586574350a1f3c2cee79cbc0faf630961d.zip | |
ACPI: Check for any matching CID when walking namespace.
The callback function acpi_ns_get_device_callback called from
acpi_get_devices() will check CID's if the HID does not match. This code
has a bug where it requires that all CIDs match the HID. Changed the code
so that any CID match will do.
Signed-off-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/namespace')
| -rw-r--r-- | drivers/acpi/namespace/nsxfeval.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c index f39fbc6b9237..b92133faf5b7 100644 --- a/drivers/acpi/namespace/nsxfeval.c +++ b/drivers/acpi/namespace/nsxfeval.c @@ -443,6 +443,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, struct acpica_device_id hid; struct acpi_compatible_id_list *cid; acpi_native_uint i; + int found; status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { @@ -496,16 +497,19 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, /* Walk the CID list */ + found = 0; for (i = 0; i < cid->count; i++) { if (ACPI_STRNCMP(cid->id[i].value, info->hid, sizeof(struct - acpi_compatible_id)) != + acpi_compatible_id)) == 0) { - ACPI_FREE(cid); - return (AE_OK); + found = 1; + break; } } ACPI_FREE(cid); + if (!found) + return (AE_OK); } } |