From: Dave Young <hidave.darkstar@gmail.com>
Date: Tue, 5 Feb 2008 11:12:06 +0000 (-0800)
Subject: bluetooth rfcomm tty: destroy before tty_close()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=93d807401ced2320d0d1e56bf9de099bba5c0424;p=deliverable%2Flinux.git

bluetooth rfcomm tty: destroy before tty_close()

rfcomm dev could be deleted in tty_hangup, so we must not call
rfcomm_dev_del again to prevent from destroying rfcomm dev before tty
close.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 788c70321858..e4c779bb8d76 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -429,7 +429,8 @@ static int rfcomm_release_dev(void __user *arg)
 	if (dev->tty)
 		tty_vhangup(dev->tty);
 
-	rfcomm_dev_del(dev);
+	if (!test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags))
+		rfcomm_dev_del(dev);
 	rfcomm_dev_put(dev);
 	return 0;
 }