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-rw-r--r--net/bluetooth/rfcomm/tty.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 8cd82dce500..9a7a44fc721 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -74,6 +74,8 @@ struct rfcomm_dev {
wait_queue_head_t wait;
struct tasklet_struct wakeup_task;
+ struct device *tty_dev;
+
atomic_t wmem_alloc;
};
@@ -261,7 +263,7 @@ out:
return err;
}
- tty_register_device(rfcomm_tty_driver, dev->id, rfcomm_get_device(dev));
+ dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL);
return dev->id;
}
@@ -630,6 +632,9 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
set_current_state(TASK_RUNNING);
remove_wait_queue(&dev->wait, &wait);
+ if (err == 0)
+ device_move(dev->tty_dev, rfcomm_get_device(dev));
+
return err;
}
@@ -642,6 +647,8 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, dev->opened);
if (--dev->opened == 0) {
+ device_move(dev->tty_dev, NULL);
+
/* Close DLC and dettach TTY */
rfcomm_dlc_close(dev->dlc, 0);