Date: Sun, 4 Jan 2009 15:56:49 +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: r186740 - head/sys/gnu/fs/ext2fs Message-ID: <200901041556.n04Funod061146@svn.freebsd.org>
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Author: kib Date: Sun Jan 4 15:56:49 2009 New Revision: 186740 URL: http://svn.freebsd.org/changeset/base/186740 Log: Do not incorrectly add the low 5 bits of the offset to the resulting position of the found zero bit. Submitted by: Jaakko Heinonen <jh saunalahti fi> MFC after: 2 weeks Modified: head/sys/gnu/fs/ext2fs/ext2_bitops.h Modified: head/sys/gnu/fs/ext2fs/ext2_bitops.h ============================================================================== --- head/sys/gnu/fs/ext2fs/ext2_bitops.h Sun Jan 4 15:49:30 2009 (r186739) +++ head/sys/gnu/fs/ext2fs/ext2_bitops.h Sun Jan 4 15:56:49 2009 (r186740) @@ -84,7 +84,7 @@ find_next_zero_bit(void *data, size_t sz mask = ~0U << (ofs & 31); bit = *p | ~mask; if (bit != ~0U) - return (ffs(~bit) + ofs - 1); + return (ffs(~bit) + (ofs & ~31U) - 1); p++; ofs = (ofs + 31U) & ~31U; }
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