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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 42eea5fbc13b..7f0af0e9b826 100644
--- 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);