diff --git a/sys/cam/ctl/ctl_frontend_cam_sim.c b/sys/cam/ctl/ctl_frontend_cam_sim.c
index 0e454014b60b..72f8dd81c8b4 100644
--- a/sys/cam/ctl/ctl_frontend_cam_sim.c
+++ b/sys/cam/ctl/ctl_frontend_cam_sim.c
@@ -460,6 +460,10 @@ cfcs_done(union ctl_io *io)
 	union ccb *ccb;
 
 	ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
+	if (ccb == NULL) {
+		ctl_free_io(io);
+		return;
+	}
 
 	/*
 	 * At this point we should have status.  If we don't, that's a bug.
@@ -741,7 +745,8 @@ cfcs_action(struct cam_sim *sim, union ccb *ccb)
 
 		ctl_zero_io(io);
 		/* Save pointers on both sides */
-		io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
+		if (ccb->ccb_h.func_code == XPT_RESET_DEV)
+			io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
 		ccb->ccb_h.io_ptr = io;
 
 		io->io_hdr.io_type = CTL_IO_TASK;