Multi-queue virtio-scsi uses a different scsi_host_template struct. Add the .device_alloc field there, too. Fixes: 25d1d50e23275e141e3a3fe06c25a99f4c4bf4e0 Cc: stable@xxxxxxxxxxxxxxx Cc: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> --- drivers/scsi/virtio_scsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index f8dbfeee6c63..ad1e7f1aba4c 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -826,6 +826,7 @@ static int virtscsi_map_queues(struct Scsi_Host *shost) .change_queue_depth = virtscsi_change_queue_depth, .eh_abort_handler = virtscsi_abort, .eh_device_reset_handler = virtscsi_device_reset, + .slave_alloc = virtscsi_device_alloc, .can_queue = 1024, .dma_boundary = UINT_MAX, -- 1.8.3.1