diff options
| -rw-r--r-- | drivers/usb/serial/ir-usb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index e7087f9fe47..ccbce4066d0 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -307,6 +307,7 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port, void *dest, size_t size) { unsigned char *buf = dest; + int count; /* * The first byte of the packet we send to the device contains an @@ -317,8 +318,9 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port, */ *buf = ir_xbof | ir_baud; - return kfifo_out_locked(&port->write_fifo, buf + 1, size - 1, + count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1, &port->lock); + return count + 1; } static void ir_process_read_urb(struct urb *urb) |