Always return at least one parity region. Fixes PR#44239.
Fix from oster@, code (such as it is) by me.
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@ -1,4 +1,4 @@
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/* $NetBSD: rf_paritymap.c,v 1.5 2010/03/14 21:11:41 jld Exp $ */
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/* $NetBSD: rf_paritymap.c,v 1.6 2011/03/01 22:51:14 riz Exp $ */
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/*-
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/*-
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* Copyright (c) 2009 Jed Davis.
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* Copyright (c) 2009 Jed Davis.
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@ -27,7 +27,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rf_paritymap.c,v 1.5 2010/03/14 21:11:41 jld Exp $");
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__KERNEL_RCSID(0, "$NetBSD: rf_paritymap.c,v 1.6 2011/03/01 22:51:14 riz Exp $");
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/callout.h>
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#include <sys/callout.h>
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@ -409,6 +409,8 @@ rf_paritymap_nreg(RF_Raid_t *raid)
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nreg = bytes_per_disk / REGION_MINSIZE;
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nreg = bytes_per_disk / REGION_MINSIZE;
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if (nreg > RF_PARITYMAP_NREG)
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if (nreg > RF_PARITYMAP_NREG)
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nreg = RF_PARITYMAP_NREG;
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nreg = RF_PARITYMAP_NREG;
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if (nreg < 1)
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nreg = 1;
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return (u_int)nreg;
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return (u_int)nreg;
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}
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}
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