Date: Sun, 14 Feb 2010 12:10:49 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r203866 - head/sys/fs/msdosfs Message-ID: <201002141210.o1ECAnZS066056@svn.freebsd.org>
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Author: kib Date: Sun Feb 14 12:10:49 2010 New Revision: 203866 URL: http://svn.freebsd.org/changeset/base/203866 Log: Invalid filesystem might cause the bp to be never read. Noted by: Pedro F. Giffuni <giffunip tutopia com> Obtanined from: NetBSD MFC after: 1 week Modified: head/sys/fs/msdosfs/msdosfs_fat.c Modified: head/sys/fs/msdosfs/msdosfs_fat.c ============================================================================== --- head/sys/fs/msdosfs/msdosfs_fat.c Sun Feb 14 12:08:44 2010 (r203865) +++ head/sys/fs/msdosfs/msdosfs_fat.c Sun Feb 14 12:10:49 2010 (r203866) @@ -944,7 +944,8 @@ fillinusemap(pmp) if (readcn == 0) usemap_free(pmp, cn); } - brelse(bp); + if (bp != NULL) + brelse(bp); return (0); }
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