Date: Thu, 7 Mar 2013 18:55:37 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r247918 - head/sys/geom/raid Message-ID: <201303071855.r27ItbM9067580@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: mav Date: Thu Mar 7 18:55:37 2013 New Revision: 247918 URL: http://svnweb.freebsd.org/changeset/base/247918 Log: Fix panic when Secondary_Element_Count == 1 and Secondary_Element_Seq is not set (255). Reported by: sbruno MFC after: 1 week Modified: head/sys/geom/raid/md_ddf.c Modified: head/sys/geom/raid/md_ddf.c ============================================================================== --- head/sys/geom/raid/md_ddf.c Thu Mar 7 16:50:07 2013 (r247917) +++ head/sys/geom/raid/md_ddf.c Thu Mar 7 18:55:37 2013 (r247918) @@ -881,7 +881,10 @@ ddf_vol_meta_update(struct ddf_vol_meta hdr = src->hdr; vde = &src->vdr->entry[ddf_meta_find_vd(src, GUID)]; vdc = ddf_meta_find_vdc(src, GUID); - bvd = GET8D(src, vdc->Secondary_Element_Seq); + if (GET8D(src, vdc->Secondary_Element_Count) == 1) + bvd = 0; + else + bvd = GET8D(src, vdc->Secondary_Element_Seq); size = GET16(src, hdr->Configuration_Record_Length) * src->sectorsize; if (dst->vdc == NULL ||
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201303071855.r27ItbM9067580>