Do not ignore error, if open file failed (-serial /dev/tty)
In case, when qemu is executed with option like
-serial /dev/ttyS0, report if there are problems with
opening of devices. At now errors are silently ignoring.
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qemu-char.c b/qemu-char.c
index 800ee6c..75dbf66 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1180,6 +1180,9 @@
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) {
