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

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This commit is contained in:
nonaka 2016-09-08 04:41:16 +00:00
parent da64b47369
commit 953af69b87
1 changed files with 4 additions and 4 deletions
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8
sys/dev/ic/nvme.c
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@ -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 @@ nvmensopen(dev_t dev, int flag, int mode, struct lwp *l)
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 @@ nvmensclose(dev_t dev, int flag, int mode, struct lwp *l)
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);