[src/trunk]: src/sys/dev/ic fix off-by-one error in namespace id range check.

[nonaka <nonaka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f31b6f6a9bee
branches:  trunk
changeset: 817782:f31b6f6a9bee
user:      nonaka <nonaka%NetBSD.org@localhost>
date:      Thu Sep 08 04:41:16 2016 +0000

description:
fix off-by-one error in namespace id range check.

diffstat:

 sys/dev/ic/nvme.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r b7212f1a43c1 -r f31b6f6a9bee sys/dev/ic/nvme.c
--- a/sys/dev/ic/nvme.c Thu Sep 08 02:57:32 2016 +0000
+++ b/sys/dev/ic/nvme.c Thu Sep 08 04:41:16 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nvme.c,v 1.3 2016/06/04 16:11:51 nonaka Exp $  */
+/*     $NetBSD: nvme.c,v 1.4 2016/09/08 04:41:16 nonaka Exp $  */
 /*     $OpenBSD: nvme.c,v 1.49 2016/04/18 05:59:50 dlg Exp $ */
 
 /*
@@ -18,7 +18,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nvme.c,v 1.3 2016/06/04 16:11:51 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nvme.c,v 1.4 2016/09/08 04:41:16 nonaka Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1559,7 +1559,7 @@
                return ENXIO;
 
        nsidx = nsid - 1;
-       if (nsidx > sc->sc_nn || sc->sc_namespaces[nsidx].dev == NULL)
+       if (nsidx >= sc->sc_nn || sc->sc_namespaces[nsidx].dev == NULL)
                return ENXIO;
        if (ISSET(sc->sc_namespaces[nsidx].flags, NVME_NS_F_OPEN))
                return EBUSY;
@@ -1586,7 +1586,7 @@
                return ENXIO;
 
        nsidx = nsid - 1;
-       if (nsidx > sc->sc_nn)
+       if (nsidx >= sc->sc_nn)
                return ENXIO;
 
        CLR(sc->sc_namespaces[nsidx].flags, NVME_NS_F_OPEN);