diff options
| -rw-r--r-- | drivers/usb/gadget/serial.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index b35ac6d334f8..65e084a2c87e 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -890,10 +890,12 @@ static void gs_close(struct tty_struct *tty, struct file *file) /* wait for write buffer to drain, or */ /* at most GS_CLOSE_TIMEOUT seconds */ if (gs_buf_data_avail(port->port_write_buf) > 0) { + spin_unlock_irqrestore(&port->port_lock, flags); wait_cond_interruptible_timeout(port->port_write_wait, port->port_dev == NULL || gs_buf_data_avail(port->port_write_buf) == 0, &port->port_lock, flags, GS_CLOSE_TIMEOUT * HZ); + spin_lock_irqsave(&port->port_lock, flags); } /* free disconnected port on final close */ |