ia64/PCI: Clear host bridge aperture struct resource

Use kzalloc() so the struct resource doesn't contain garbage in
fields we don't initialize.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 81acc7a57f3e..8da4670b6ce9 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -295,7 +295,6 @@ static __devinit acpi_status add_window(struct acpi_resource *res, void *data)
         window->resource.flags = flags;
         window->resource.start = addr.minimum + offset;
         window->resource.end = window->resource.start + addr.address_length - 1;
-        window->resource.child = NULL;
         window->offset = offset;
 
         if (insert_resource(root, &window->resource)) {
@@ -357,7 +356,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
                         &windows);
         if (windows) {
                 controller->window =
-                        kmalloc_node(sizeof(*controller->window) * windows,
+                        kzalloc_node(sizeof(*controller->window) * windows,
                                      GFP_KERNEL, controller->node);
                 if (!controller->window)
                         goto out2;