ACPI: catch calls of acpi_driver_data on pointer of wrong type

Catch attempts to use of acpi_driver_data on pointers of wrong type.

akpm: rewritten to use proper C typechecking and remove the
"function"-used-as-lvalue thing.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index c3fed31166b5..add1a19bbbfe 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -206,7 +206,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
         root->device = device;
         strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
         strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
-        acpi_driver_data(device) = root;
+        device->driver_data = root;
 
         device->ops.bind = acpi_pci_bind;