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path: root/drivers/pci/bus.c
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Diffstat (limited to 'drivers/pci/bus.c')
-rw-r--r--drivers/pci/bus.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 5f7db9d2436..aadaa3c8096 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -77,9 +77,12 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
* This adds a single pci device to the global
* device list and adds sysfs and procfs entries
*/
-void __devinit pci_bus_add_device(struct pci_dev *dev)
+int __devinit pci_bus_add_device(struct pci_dev *dev)
{
- device_add(&dev->dev);
+ int retval;
+ retval = device_add(&dev->dev);
+ if (retval)
+ return retval;
down_write(&pci_bus_sem);
list_add_tail(&dev->global_list, &pci_devices);
@@ -87,6 +90,7 @@ void __devinit pci_bus_add_device(struct pci_dev *dev)
pci_proc_attach_device(dev);
pci_create_sysfs_dev_files(dev);
+ return 0;
}
/**
@@ -104,6 +108,7 @@ void __devinit pci_bus_add_device(struct pci_dev *dev)
void __devinit pci_bus_add_devices(struct pci_bus *bus)
{
struct pci_dev *dev;
+ int retval;
list_for_each_entry(dev, &bus->devices, bus_list) {
/*
@@ -112,7 +117,9 @@ void __devinit pci_bus_add_devices(struct pci_bus *bus)
*/
if (!list_empty(&dev->global_list))
continue;
- pci_bus_add_device(dev);
+ retval = pci_bus_add_device(dev);
+ if (retval)
+ dev_err(&dev->dev, "Error adding device, continuing\n");
}
list_for_each_entry(dev, &bus->devices, bus_list) {
@@ -129,10 +136,13 @@ void __devinit pci_bus_add_devices(struct pci_bus *bus)
list_add_tail(&dev->subordinate->node,
&dev->bus->children);
up_write(&pci_bus_sem);
- }
+ }
pci_bus_add_devices(dev->subordinate);
-
- sysfs_create_link(&dev->subordinate->class_dev.kobj, &dev->dev.kobj, "bridge");
+ retval = sysfs_create_link(&dev->subordinate->class_dev.kobj,
+ &dev->dev.kobj, "bridge");
+ if (retval)
+ dev_err(&dev->dev, "Error creating sysfs "
+ "bridge symlink, continuing...\n");
}
}
}