Author: kib
Date: Sun Jan 18 11:47:39 2009
New Revision: 187386
URL: http://svn.freebsd.org/changeset/base/187386
Log:
MFC r186740:
Do not incorrectly add the low 5 bits of the offset to the resulting
position of the found zero bit.
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/gnu/fs/ext2fs/ext2_bitops.h
Modified: stable/7/sys/gnu/fs/ext2fs/ext2_bitops.h
==============================================================================
--- stable/7/sys/gnu/fs/ext2fs/ext2_bitops.h Sun Jan 18 11:43:23 2009
(r187385)
+++ stable/7/sys/gnu/fs/ext2fs/ext2_bitops.h Sun Jan 18 11:47:39 2009
(r187386)
@@ -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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