linux-kernel - [PATCH] PCI, ia64: clear initial value for root info resources

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Date:	Wed, 19 Sep 2012 10:49:01 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org
Subject: [PATCH] PCI, ia64: clear initial value for root info resources

after
	PCI, ia64: clear initial value for root info resources

change ia64 code accordingly, because later ia64 will support root bus removal too.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: linux-ia64@...r.kernel.org

---
 arch/ia64/pci/pci.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Index: linux-2.6/arch/ia64/pci/pci.c
===================================================================
--- linux-2.6.orig/arch/ia64/pci/pci.c
+++ linux-2.6/arch/ia64/pci/pci.c
@@ -295,7 +295,6 @@ static __devinit acpi_status add_window(
 	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
 			&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;
--
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