diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:33:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:33:48 +0200 |
| commit | 15dd859cacf312f606f54502d1f66537a1e5c78c (patch) | |
| tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /drivers/acpi/pci_slot.c | |
| parent | b2d9d33412b9d13a40cd314d93ab517950fc5950 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
Merge commit 'v2.6.27-rc1' into x86/core
Conflicts:
include/asm-x86/dma-mapping.h
include/asm-x86/namei.h
include/asm-x86/uaccess.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/acpi/pci_slot.c')
| -rw-r--r-- | drivers/acpi/pci_slot.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index dd376f7ad090..d5b4ef898879 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -76,9 +76,9 @@ static struct acpi_pci_driver acpi_pci_slot_driver = { }; static int -check_slot(acpi_handle handle, int *device, unsigned long *sun) +check_slot(acpi_handle handle, unsigned long *sun) { - int retval = 0; + int device = -1; unsigned long adr, sta; acpi_status status; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -89,32 +89,27 @@ check_slot(acpi_handle handle, int *device, unsigned long *sun) if (check_sta_before_sun) { /* If SxFy doesn't have _STA, we just assume it's there */ status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) { - retval = -1; + if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) goto out; - } } status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); if (ACPI_FAILURE(status)) { dbg("_ADR returned %d on %s\n", status, (char *)buffer.pointer); - retval = -1; goto out; } - *device = (adr >> 16) & 0xffff; - /* No _SUN == not a slot == bail */ status = acpi_evaluate_integer(handle, "_SUN", NULL, sun); if (ACPI_FAILURE(status)) { dbg("_SUN returned %d on %s\n", status, (char *)buffer.pointer); - retval = -1; goto out; } + device = (adr >> 16) & 0xffff; out: kfree(buffer.pointer); - return retval; + return device; } struct callback_args { @@ -144,7 +139,8 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) struct callback_args *parent_context = context; struct pci_bus *pci_bus = parent_context->pci_bus; - if (check_slot(handle, &device, &sun)) + device = check_slot(handle, &sun); + if (device < 0) return AE_OK; slot = kmalloc(sizeof(*slot), GFP_KERNEL); |