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authorDave Young <hidave.darkstar@gmail.com>2008-01-21 22:35:21 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-23 03:11:39 -0800
commitacea6852f32b8805e166d885ed7e9f0c7cd10d41 (patch)
tree515aefb6f5346d417933a6b8958d1052cea51f6a /net/bluetooth/rfcomm/tty.c
parent667984d9e481e43a930a478c588dced98cb61fea (diff)
[BLUETOOTH]: Move children of connection device to NULL before connection down.
The rfcomm tty device will possibly retain even when conn is down, and sysfs doesn't support zombie device moving, so this patch move the tty device before conn device is destroyed. For the bug refered please see : http://lkml.org/lkml/2007/12/28/87 Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bluetooth/rfcomm/tty.c')
-rw-r--r--net/bluetooth/rfcomm/tty.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index a6a758dd1f7d..788c70321858 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -696,7 +696,8 @@ 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);
+ if (dev->tty_dev->parent)
+ device_move(dev->tty_dev, NULL);
/* Close DLC and dettach TTY */
rfcomm_dlc_close(dev->dlc, 0);