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

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On Tue, Jun 15, 2010 at 10:33:52PM -0700, Justin P. Mattock wrote:
>@@ -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);
Hi Justin,

pci_enable_device initializes device before it's used by a driver.

I think you should add check instead of eliminating pci_enable_device.

For example,
retval = pci_enable_device(dev);
if (retval < 0) {
	goto handle_err;
}

--Junchang

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