--- a/sys/dev/raid/mfi/mfi.c
+++ b/sys/dev/raid/mfi/mfi.c
@@ -1328,6 +1328,9 @@ mfi_syspdprobe(struct mfi_softc *sc)
 	/* Get each PD and add it to the system */
+	if (pdlist->count > MAX_SYS_PDS)
+		pdlist->count = MAX_SYS_PDS;
 	for (i = 0; i < pdlist->count; i++) {
@@ -1393,6 +1396,9 @@ mfi_ldprobe(struct mfi_softc *sc)
 	}
 
+	if (list->ld_count > MFI_MAX_LD)
+		list->ld_count = MFI_MAX_LD;
 	for (i = 0; i < list->ld_count; i++) {
@@ -1767,6 +1773,9 @@ mfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq)
 		lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
 		mfi_release_command(cm);
 		lockmgr(&sc->mfi_io_lock, LK_RELEASE);
 
+		if (el->count > MAX_EVENTS)
+			el->count = MAX_EVENTS;
 		for (i = 0; i < el->count; i++) {