Merge branch 'linux-2.6'

1 files changed, 17 insertions, 0 deletions

diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index cad510309dc..17f7fb72055 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -316,9 +316,26 @@ void hci_conn_add_sysfs(struct hci_conn *conn)
 	schedule_work(&conn->work);
 }
 
+static int __match_tty(struct device *dev, void *data)
+{
+	/* The rfcomm tty device will possibly retain even when conn
+	 * is down, and sysfs doesn't support move zombie device,
+	 * so we should move the device before conn device is destroyed.
+	 * Due to the only child device of hci_conn dev is rfcomm
+	 * tty_dev, here just return 1
+	 */
+	return 1;
+}
+
 static void del_conn(struct work_struct *work)
 {
+	struct device *dev;
 	struct hci_conn *conn = container_of(work, struct hci_conn, work);
+
+	while (dev = device_find_child(&conn->dev, NULL, __match_tty)) {
+		device_move(dev, NULL);
+		put_device(dev);
+	}
 	device_del(&conn->dev);
 	put_device(&conn->dev);
 }