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Diffstat (limited to 'qemu-char.c')
-rw-r--r--qemu-char.c3
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) {