diff options
Diffstat (limited to 'src/drivers/px4io')
| -rw-r--r-- | src/drivers/px4io/px4io.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index 73204e220..f98010f68 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -1773,12 +1773,12 @@ PX4IO::print_debug() #ifdef CONFIG_ARCH_BOARD_PX4FMU_V2 int io_fd = -1; - if (io_fd < 0) { + if (io_fd <= 0) { io_fd = ::open("/dev/ttyS0", O_RDONLY | O_NONBLOCK | O_NOCTTY); } /* read IO's output */ - if (io_fd > 0) { + if (io_fd >= 0) { pollfd fds[1]; fds[0].fd = io_fd; fds[0].events = POLLIN; |