From 840af824b2bf9194ea596e0ddc7aa05066794ca1 Mon Sep 17 00:00:00 2001
From: Vladislav P <vladisslav@inbox.ru>
Date: Mon, 14 Feb 2011 15:21:50 -0200
Subject: [PATCH] Bluetooth: Release BTM while sleeping to avoid deadlock

Signed-off-by: Vladislav P <vladisslav@inbox.ru>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/rfcomm/tty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 2575c2db6404..d7b9af4703d0 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -727,7 +727,9 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
 			break;
 		}
 
+		tty_unlock();
 		schedule();
+		tty_lock();
 	}
 	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&dev->wait, &wait);