diff --git a/sys/dev/raid/mps/mps.c b/sys/dev/raid/mps/mps.c
--- a/sys/dev/raid/mps/mps.c
+++ b/sys/dev/raid/mps/mps.c
@@ -1040,8 +1040,11 @@ mps_attach(struct mps_softc *sc)
 
 	sc->facts = kmalloc(sizeof(MPI2_IOC_FACTS_REPLY), M_MPT2,
 	    M_ZERO|M_WAITOK);
-	if ((error = mps_get_iocfacts(sc, sc->facts)) != 0)
+	if ((error = mps_get_iocfacts(sc, sc->facts)) != 0) {
+		kfree(sc->facts, M_MPT2);
+		sc->facts = NULL;
 		return (error);
+	}
 
 	mps_print_iocfacts(sc, sc->facts);
 
@@ -1069,8 +1072,11 @@ mps_attach(struct mps_softc *sc)
 	if ((sc->facts->IOCCapabilities &
 	    MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY) == 0) {
 		mps_diag_reset(sc);
-		if ((error = mps_transition_ready(sc)) != 0)
+		if ((error = mps_transition_ready(sc)) != 0) {
+			kfree(sc->facts, M_MPT2);
+			sc->facts = NULL;
 			return (error);
+		}
 	}
 
 	/*