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Diffstat (limited to 'usr/src/uts/common/io/ttcompat.c')
-rw-r--r--usr/src/uts/common/io/ttcompat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/usr/src/uts/common/io/ttcompat.c b/usr/src/uts/common/io/ttcompat.c
index ab420c82e7..22b1442e50 100644
--- a/usr/src/uts/common/io/ttcompat.c
+++ b/usr/src/uts/common/io/ttcompat.c
@@ -21,6 +21,7 @@
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
+ * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
@@ -73,7 +74,7 @@ static struct streamtab ttcoinfo;
static struct fmodsw fsw = {
"ttcompat",
&ttcoinfo,
- D_MTQPAIR | D_MP
+ D_MTQPAIR | D_MP | _D_SINGLE_INSTANCE
};
/*