vdpa: Check for existence of opts.vhostdev
Since net_init_vhost_vdpa is trying to open it. Not specifying it in the
command line crash qemu.
Fixes: 7327813d17
("vhost-vdpa: open device fd in net_init_vhost_vdpa()")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20211112193431.2379298-3-eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
staging
parent
0351152b6f
commit
c829540401
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@ -260,6 +260,10 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
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assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
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assert(netdev->type == NET_CLIENT_DRIVER_VHOST_VDPA);
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opts = &netdev->u.vhost_vdpa;
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opts = &netdev->u.vhost_vdpa;
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if (!opts->vhostdev) {
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error_setg(errp, "vdpa character device not specified with vhostdev");
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return -1;
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}
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vdpa_device_fd = qemu_open(opts->vhostdev, O_RDWR, errp);
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vdpa_device_fd = qemu_open(opts->vhostdev, O_RDWR, errp);
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if (vdpa_device_fd == -1) {
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if (vdpa_device_fd == -1) {
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