Back out 70cb75adaf3243478276cebf367c5f47c4725715

2015-03-13 10:40:09 -06:00 · 2015-03-13 10:40:09 -06:00 · b83cea4f99
parent ad216583b7
commit b83cea4f99
1 changed files with 1 additions and 1 deletions
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@ -877,7 +877,7 @@ static int uart_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
                }
              else
                {
-                  count = dev->xmit.size - (dev->xmit.head - dev->xmit.tail);
+                  count = dev->xmit.size - (dev->xmit.head - dev->xmit.tail) - 1;
                }

              irqrestore(state);