diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index a7ebe9440271..5faa66c5c2a8 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;
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 505acdd6d600..192397c98606 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -305,7 +305,6 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
 	res->flags = flags;
 	res->start = start;
 	res->end = end;
-	res->child = NULL;
 
 	if (!pci_use_crs) {
 		dev_printk(KERN_DEBUG, &info->bridge->dev,
@@ -434,7 +433,7 @@ probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
 
 	size = sizeof(*info->res) * info->res_num;
 	info->res_num = 0;
-	info->res = kmalloc(size, GFP_KERNEL);
+	info->res = kzalloc(size, GFP_KERNEL);
 	if (!info->res)
 		return;
 
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index b6852b776931..e893f6e1937d 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -141,7 +141,11 @@ EXPORT_SYMBOL_GPL(vga_default_device);
 
 void vga_set_default_device(struct pci_dev *pdev)
 {
-	vga_default = pdev;
+	if (vga_default == pdev)
+		return;
+
+	pci_dev_put(vga_default);
+	vga_default = pci_dev_get(pdev);
 }
 #endif
 
@@ -577,7 +581,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
 #ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
 	if (vga_default == NULL &&
 	    ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
-		vga_default = pci_dev_get(pdev);
+		vga_set_default_device(pdev);
 #endif
 
 	vga_arbiter_check_bridge_sharing(vgadev);
@@ -613,10 +617,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
 	}
 
 #ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
-	if (vga_default == pdev) {
-		pci_dev_put(vga_default);
-		vga_default = NULL;
-	}
+	if (vga_default == pdev)
+		vga_set_default_device(NULL);
 #endif
 
 	if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 4b0970b46e0b..6241fd05bd41 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -87,11 +87,15 @@ EXPORT_SYMBOL_GPL(pci_bus_resource_n);
 void pci_bus_remove_resources(struct pci_bus *bus)
 {
 	int i;
+	struct pci_bus_resource *bus_res, *tmp;
 
 	for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++)
 		bus->resource[i] = NULL;
 
-	pci_free_resource_list(&bus->resources);
+	list_for_each_entry_safe(bus_res, tmp, &bus->resources, list) {
+		list_del(&bus_res->list);
+		kfree(bus_res);
+	}
 }
 
 /**
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 23961117663f..ec909afa90b6 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -729,8 +729,10 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 
 	/* Check if setup is sensible at all */
 	if (!pass &&
-	    (primary != bus->number || secondary <= bus->number)) {
-		dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
+	    (primary != bus->number || secondary <= bus->number ||
+	     secondary > subordinate)) {
+		dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
+			 secondary, subordinate);
 		broken = 1;
 	}