linux-kernel - [PATCH v4 1/8] PCI: Don't use temp bus for pci_bus_release_bridge

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Date:	Tue, 21 May 2013 23:38:41 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Gavin Shan <shangw@...ux.vnet.ibm.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH v4 1/8] PCI: Don't use temp bus for pci_bus_release_bridge_resources

as later bus can not be used as temp variable after we change to
per root bus handling with assign unassigned resources.

Per Bjorn, separated out different patch.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 drivers/pci/setup-bus.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Index: linux-2.6/drivers/pci/setup-bus.c
===================================================================
--- linux-2.6.orig/drivers/pci/setup-bus.c
+++ linux-2.6/drivers/pci/setup-bus.c
@@ -1458,12 +1458,11 @@ again:
 	 * Try to release leaf bridge's resources that doesn't fit resource of
 	 * child device under that bridge
 	 */
-	list_for_each_entry(fail_res, &fail_head, list) {
-		bus = fail_res->dev->bus;
-		pci_bus_release_bridge_resources(bus,
+	list_for_each_entry(fail_res, &fail_head, list)
+		pci_bus_release_bridge_resources(fail_res->dev->bus,
 						 fail_res->flags & type_mask,
 						 rel_type);
-	}
+
 	/* restore size and flags */
 	list_for_each_entry(fail_res, &fail_head, list) {
 		struct resource *res = fail_res->res;
--
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