USB: PCI-quirks: Deletion of unnecessary checks before the function call "pci_dev_put"

The pci_dev_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/pci-quirks.c

@@ -233,9 +233,7 @@ int usb_amd_find_chipset_info(void)
 
 		spin_unlock_irqrestore(&amd_lock, flags);
 
-		if (info.nb_dev)
 		pci_dev_put(info.nb_dev);
-		if (info.smbus_dev)
 		pci_dev_put(info.smbus_dev);
 
 	} else {
@@ -447,9 +445,7 @@ void usb_amd_dev_put(void)
 
 	spin_unlock_irqrestore(&amd_lock, flags);
 
-	if (nb)
 	pci_dev_put(nb);
-	if (smbus)
 	pci_dev_put(smbus);
 }
 EXPORT_SYMBOL_GPL(usb_amd_dev_put);