PCI: check return value of pci_enable_device() when enabling bridges

pci_enable_device can fail. In that case, a printed warning would be
more appropriate.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Junchang Wang <junchangwang@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 42eea5f..7f0af0e 100644 (file)
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -240,6 +240,8 @@ void pci_enable_bridges(struct pci_bus *bus)
                if (dev->subordinate) {
                        if (!pci_is_enabled(dev)) {
                                retval = pci_enable_device(dev);
+                               if (retval)
+                                       dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n", retval);
                                pci_set_master(dev);
                        }
                        pci_enable_bridges(dev->subordinate);