netdev - [patch 7/7] rfcomm tty: destroy before tty

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Message-Id: <200802050748.m157m1v2010470@imap1.linux-foundation.org>
Date:	Mon, 04 Feb 2008 23:48:20 -0800
From:	akpm@...ux-foundation.org
To:	marcel@...tmann.org
Cc:	netdev@...r.kernel.org, akpm@...ux-foundation.org,
	hidave.darkstar@...il.com
Subject: [patch 7/7] rfcomm tty: destroy before tty_close()

From: Dave Young <hidave.darkstar@...il.com>

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@...il.com>
Cc: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 net/bluetooth/rfcomm/tty.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN net/bluetooth/rfcomm/tty.c~rfcomm-tty-destroy-before-tty_close net/bluetooth/rfcomm/tty.c
--- a/net/bluetooth/rfcomm/tty.c~rfcomm-tty-destroy-before-tty_close
+++ a/net/bluetooth/rfcomm/tty.c
@@ -429,7 +429,8 @@ static int rfcomm_release_dev(void __use
 	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;
 }
_
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