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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-03-13 10:40:09 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-03-13 10:40:09 -0600 |
| commit | 888669f9e2c6bd6037f0d68d3a1eef7cad3dfd90 (patch) | |
| tree | 04f5b872506b9604368e64ebfb9b45219b9212e0 /nuttx/drivers | |
| parent | f6b0a9ec03c0bc1e9e9b2aca77c6a76823748949 (diff) | |
| download | px4-nuttx-888669f9e2c6bd6037f0d68d3a1eef7cad3dfd90.tar.gz px4-nuttx-888669f9e2c6bd6037f0d68d3a1eef7cad3dfd90.tar.bz2 px4-nuttx-888669f9e2c6bd6037f0d68d3a1eef7cad3dfd90.zip | |
Back out 70cb75adaf3243478276cebf367c5f47c4725715
Diffstat (limited to 'nuttx/drivers')
| -rw-r--r-- | nuttx/drivers/serial/serial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/drivers/serial/serial.c b/nuttx/drivers/serial/serial.c index d9f161b18..b2719e62a 100644 --- a/nuttx/drivers/serial/serial.c +++ b/nuttx/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); |