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[JFFS2] jffs2_acl_count() tests < 0 on unsigned

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size_t s is unsigned and cannot be less than 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Roel Kluin 2009-03-04 12:01:41 -08:00 committed by David Woodhouse
parent a4b6d516a6
commit fc371a25ea
1 changed files with 2 additions and 2 deletions
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4
fs/jffs2/acl.c
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@ -38,12 +38,12 @@ static int jffs2_acl_count(size_t size)
size_t s;
size -= sizeof(struct jffs2_acl_header);
s = size - 4 * sizeof(struct jffs2_acl_entry_short);
if (s < 0) {
if (size < 4 * sizeof(struct jffs2_acl_entry_short)) {
if (size % sizeof(struct jffs2_acl_entry_short))
return -1;
return size / sizeof(struct jffs2_acl_entry_short);
} else {
s = size - 4 * sizeof(struct jffs2_acl_entry_short);
if (s % sizeof(struct jffs2_acl_entry))
return -1;
return s / sizeof(struct jffs2_acl_entry) + 4;