*/
void device_bind_driver(struct device * dev)
{
+ if (klist_node_attached(&dev->knode_driver))
+ return;
+
pr_debug("bound device '%s' to driver '%s'\n",
dev->bus_id, dev->driver->name);
- klist_add_tail(&dev->driver->klist_devices, &dev->knode_driver);
+ klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices);
sysfs_create_link(&dev->driver->kobj, &dev->kobj,
kobject_name(&dev->kobj));
sysfs_create_link(&dev->kobj, &dev->driver->kobj, "driver");
*
* This function must be called with @dev->sem held.
*/
-static int driver_probe_device(struct device_driver * drv, struct device * dev)
+int driver_probe_device(struct device_driver * drv, struct device * dev)
{
int ret = 0;
* 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)
{