@@ -1217,6 +1217,9 @@ static CharDriverState *qemu_chr_open_stdio(const char *id,
sigaction(SIGCONT, &act, NULL);
chr = qemu_chr_open_fd(0, 1, common, errp);
+ if (!chr) {
+ return NULL;
+ }
chr->chr_close = qemu_chr_close_stdio;
chr->chr_set_echo = qemu_chr_set_echo_stdio;
if (opts->has_signal) {
@@ -1673,6 +1676,9 @@ static CharDriverState *qemu_chr_open_tty_fd(int fd,
tty_serial_init(fd, 115200, 'N', 8, 1);
chr = qemu_chr_open_fd(fd, fd, backend, errp);
+ if (!chr) {
+ return NULL;
+ }
chr->chr_ioctl = tty_serial_ioctl;
chr->chr_close = qemu_chr_close_tty;
return chr;