[PATCH 3/5]pci:bus.c Fix variable 'retval' set but not used

["Justin P. Mattock" <justinmattock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

The patch below fixes the warning message I am seeing with gcc 4.6.0
  CC      drivers/pci/bus.o
drivers/pci/bus.c: In function 'pci_enable_bridges':
drivers/pci/bus.c:237:6: warning: variable 'retval' set but not used

 Signed-off-by: Justin P. Mattock <justinmattock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

---
 drivers/pci/bus.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 628ea20..84bdb48 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -234,12 +234,10 @@ void pci_bus_add_devices(const struct pci_bus *bus)
 void pci_enable_bridges(struct pci_bus *bus)
 {
 	struct pci_dev *dev;
-	int retval;
 
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		if (dev->subordinate) {
 			if (!pci_is_enabled(dev)) {
-				retval = pci_enable_device(dev);
 				pci_set_master(dev);
 			}
 			pci_enable_bridges(dev->subordinate);
-- 
1.7.1.rc1.21.gf3bd6

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