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libdm: stats uses overflowing counter

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Here we need to annotate counter as it starts with UINT64_MAX
and overflows to 0 is expected.
This commit is contained in:
Zdenek Kabelac 2024-05-08 09:36:39 +02:00
parent 8168b5e71d
commit 4dda6d1555
1 changed files with 3 additions and 2 deletions
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5
libdm/libdm-stats.c
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@ -1444,8 +1444,9 @@ static void _stats_walk_next_present(const struct dm_stats *dms,
} }
/* advance to next present, non-skipped region or end */ /* advance to next present, non-skipped region or end */
while ((*cur_r < UINT64_MAX) && /* count can start as UINT64_MAX, probably rework to use post++ */
++(*cur_r) <= dms->max_region) { /* coverity[overflow_const] overflow is expected here */
while (++(*cur_r) <= dms->max_region) {
cur = &dms->regions[*cur_r]; cur = &dms->regions[*cur_r];
if (!_stats_region_present(cur)) if (!_stats_region_present(cur))
continue; continue;