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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>
This commit is contained in:
Junchang Wang 2010-06-18 10:02:33 +08:00 committed by Jesse Barnes
parent 7736a05a32
commit 2eb5ebd366
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/bus.c
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@ -240,6 +240,8 @@ void pci_enable_bridges(struct pci_bus *bus)
if (dev->subordinate) { if (dev->subordinate) {
if (!pci_is_enabled(dev)) { if (!pci_is_enabled(dev)) {
retval = pci_enable_device(dev); retval = pci_enable_device(dev);
if (retval)
dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n", retval);
pci_set_master(dev); pci_set_master(dev);
} }
pci_enable_bridges(dev->subordinate); pci_enable_bridges(dev->subordinate);