PCI: Speed up the Intel SMBus unhiding quirk

[sfrench/cifs-2.6.git] / drivers / acpi / pci_root.c

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index c92c144d6c58d54bd0bc91567939aa6fd03cc4d0..a860efa2c562670768e447ada93eea69b03277d1 100644 (file)
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -120,7 +120,7 @@ EXPORT_SYMBOL(acpi_pci_unregister_driver);
 static acpi_status
 get_root_bridge_busnr_callback(struct acpi_resource *resource, void *data)
 {
-       int *busnr = (int *)data;
+       int *busnr = data;
        struct acpi_resource_address64 address;
 
        if (resource->type != ACPI_RESOURCE_TYPE_ADDRESS16 &&
@@ -165,10 +165,9 @@ static int acpi_pci_root_add(struct acpi_device *device)
        if (!device)
                return -EINVAL;
 
-       root = kmalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
+       root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
        if (!root)
                return -ENOMEM;
-       memset(root, 0, sizeof(struct acpi_pci_root));
        INIT_LIST_HEAD(&root->node);
 
        root->device = device;
@@ -332,7 +331,7 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type)
        if (!device || !acpi_driver_data(device))
                return -EINVAL;
 
-       root = (struct acpi_pci_root *)acpi_driver_data(device);
+       root = acpi_driver_data(device);
 
        kfree(root);