diff options
| -rw-r--r-- | qemu-char.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c index 800ee6c503..75dbf66858 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -1180,6 +1180,9 @@ static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) int fd; TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); + if (fd < 0) { + return NULL; + } tty_serial_init(fd, 115200, 'N', 8, 1); chr = qemu_chr_open_fd(fd, fd); if (!chr) { |