[PATCH 2/2] bluetooth : do not move child device other than rfcomm

From: Dave Young
Date: Mon Feb 18 2008 - 02:54:28 EST


hci conn child devices other than rfcomm tty should not be moved here.
This is my lost, thanks for Barnaby's reporting and testing.

Signed-off-by: Dave Young <hidave.darkstar@xxxxxxxxx>

---
net/bluetooth/hci_sysfs.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff -upr linux/net/bluetooth/hci_sysfs.c linux.new/net/bluetooth/hci_sysfs.c
--- linux/net/bluetooth/hci_sysfs.c 2008-02-16 06:38:56.000000000 +0800
+++ linux.new/net/bluetooth/hci_sysfs.c 2008-02-17 15:45:15.000000000 +0800
@@ -320,15 +320,14 @@ void hci_conn_add_sysfs(struct hci_conn
queue_work(btaddconn, &conn->work);
}

+/*
+ * The rfcomm tty device will possibly retain even when conn
+ * is down, and sysfs doesn't support move zombie device,
+ * so we should move the device before conn device is destroyed.
+ */
static int __match_tty(struct device *dev, void *data)
{
- /* The rfcomm tty device will possibly retain even when conn
- * is down, and sysfs doesn't support move zombie device,
- * so we should move the device before conn device is destroyed.
- * Due to the only child device of hci_conn dev is rfcomm
- * tty_dev, here just return 1
- */
- return 1;
+ return !strncmp(dev->bus_id, "rfcomm", 6);
}

static void del_conn(struct work_struct *work)
--
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