[BUG][PATCH] bluetooth: put_device before device_del fix
From: Dave Young <hidden>
Date: 2007-12-27 05:24:16
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Because of workqueue delay, the put_device could be called before device_del, so move it to del_conn. Signed-off-by: Dave Young <redacted> --- net/bluetooth/hci_conn.c | 10 +--------- net/bluetooth/hci_sysfs.c | 1 + 2 files changed, 2 insertions(+), 9 deletions(-) diff -upr linux/net/bluetooth/hci_conn.c linux.new/net/bluetooth/hci_conn.c
--- linux/net/bluetooth/hci_conn.c 2007-12-27 13:12:48.000000000 +0800
+++ linux.new/net/bluetooth/hci_conn.c 2007-12-27 13:17:50.000000000 +0800@@ -254,22 +254,14 @@ int hci_conn_del(struct hci_conn *conn) } tasklet_disable(&hdev->tx_task); - - hci_conn_del_sysfs(conn); - hci_conn_hash_del(hdev, conn); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_CONN_DEL); - tasklet_enable(&hdev->tx_task); - skb_queue_purge(&conn->data_q); - + hci_conn_del_sysfs(conn); hci_dev_put(hdev); - /* will free via device release */ - put_device(&conn->dev); - return 0; }
diff -upr linux/net/bluetooth/hci_sysfs.c linux.new/net/bluetooth/hci_sysfs.c
--- linux/net/bluetooth/hci_sysfs.c 2007-12-27 13:12:48.000000000 +0800
+++ linux.new/net/bluetooth/hci_sysfs.c 2007-12-27 13:14:06.000000000 +0800@@ -320,6 +320,7 @@ static void del_conn(struct work_struct { struct hci_conn *conn = container_of(work, struct hci_conn, work); device_del(&conn->dev); + put_device(&conn->dev); } void hci_conn_del_sysfs(struct hci_conn *conn)