diff options
Diffstat (limited to 'libgphoto2_port/serial')
| -rw-r--r-- | libgphoto2_port/serial/unix.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/libgphoto2_port/serial/unix.c b/libgphoto2_port/serial/unix.c index 2042a8608..ae1a3565c 100644 --- a/libgphoto2_port/serial/unix.c +++ b/libgphoto2_port/serial/unix.c @@ -888,15 +888,20 @@ gp_port_serial_check_speed (GPPort *dev) * Verify if the speed change has been successful. * This is needed because some Solaris systems just ignore unsupported * speeds (like 115200) instead of complaining. + * + * Only perform the check if we really changed to some speed. */ - if (tcgetattr (dev->pl->fd, &tio)) { - GP_DEBUG ("Error on 'tcgetattr'."); - return (GP_ERROR_IO_SERIAL_SPEED); - } - if ((cfgetispeed (&tio) != speed) || (cfgetospeed (&tio) != speed)) { - GP_DEBUG ("Cannot set baudrate to %d...", - dev->settings.serial.speed); - return (GP_ERROR_NOT_SUPPORTED); + if (speed != B0) { + if (tcgetattr (dev->pl->fd, &tio)) { + GP_DEBUG ("Error on 'tcgetattr'."); + return (GP_ERROR_IO_SERIAL_SPEED); + } + if ((cfgetispeed (&tio) != speed) || + (cfgetospeed (&tio) != speed)) { + GP_DEBUG ("Cannot set baudrate to %d...", + dev->settings.serial.speed); + return (GP_ERROR_NOT_SUPPORTED); + } } #else /* !HAVE_TERMIOS_H */ |