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-rw-r--r--drivers/usb/serial/airprime.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index 725b6b94c27..7290b41fa11 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -220,7 +220,7 @@ static void airprime_close(struct usb_serial_port *port, struct file * filp)
mutex_lock(&port->serial->disc_mutex);
if (!port->serial->disconnected)
airprime_send_setup(port);
- mutex_lock(&port->serial->disc_mutex);
+ mutex_unlock(&port->serial->disc_mutex);
for (i = 0; i < NUM_READ_URBS; ++i) {
usb_kill_urb (priv->read_urbp[i]);