Fix the following crash: $ qemu-system-x86_64 -object can-host-socketcan,id=obj0 Segmentation fault (core dumped)
Signed-off-by: Eduardo Habkost <[email protected]> --- Cc: Pavel Pisa <[email protected]> Cc: Vikram Garhwal <[email protected]> Cc: Jason Wang <[email protected]> Cc: [email protected] --- net/can/can_socketcan.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c index 92b1f79385..4b68f60c6b 100644 --- a/net/can/can_socketcan.c +++ b/net/can/can_socketcan.c @@ -194,6 +194,11 @@ static void can_host_socketcan_connect(CanHostState *ch, Error **errp) 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) { -- 2.26.2
