Fix the following crash:
$ qemu-system-x86_64 -object can-host-socketcan,id=obj0
Segmentation fault (core dumped)
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Message-Id: <
20201008202713.
1416823-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
struct sockaddr_can addr;
struct ifreq ifr;
+ if (!c->ifname) {
+ error_setg(errp, "'if' property not set");
+ return;
+ }
+
/* open socket */
s = qemu_socket(PF_CAN, SOCK_RAW, CAN_RAW);
if (s < 0) {