diff options
| -rw-r--r-- | drivers/base/bus.c | 13 | ||||
| -rw-r--r-- | drivers/base/dd.c | 3 |
2 files changed, 10 insertions, 6 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 4eb1952..43722af 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -270,11 +270,14 @@ int bus_add_device(struct device * dev) if (bus) { pr_debug("bus %s: add device %s\n", bus->name, dev->bus_id); - device_attach(dev); + error = device_attach(dev); klist_add_tail(&bus->klist_devices, &dev->knode_bus); - device_add_attrs(bus, dev); - sysfs_create_link(&bus->devices.kobj, &dev->kobj, dev->bus_id); - sysfs_create_link(&dev->kobj, &dev->bus->subsys.kset.kobj, "bus"); + if (error >= 0) + error = device_add_attrs(bus, dev); + if (!error) { + sysfs_create_link(&bus->devices.kobj, &dev->kobj, dev->bus_id); + sysfs_create_link(&dev->kobj, &dev->bus->subsys.kset.kobj, "bus"); + } } return error; } @@ -394,7 +397,7 @@ static int bus_rescan_devices_helper(struct device *dev, void *data) { int *count = data; - if (!dev->driver && device_attach(dev)) + if (!dev->driver && (device_attach(dev) > 0)) (*count)++; return 0; diff --git a/drivers/base/dd.c b/drivers/base/dd.c index eab2030..6db3a78 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -119,7 +119,8 @@ static int __device_attach(struct device_driver * drv, void * data) * driver_probe_device() for each pair. If a compatible * pair is found, break out and return. * - * Returns 1 if the device was bound to a driver; 0 otherwise. + * Returns 1 if the device was bound to a driver; + * 0 if no matching device was found; error code otherwise. */ int device_attach(struct device * dev) { |
