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cov: potentially overflowing expression

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Use 64bit arithmentic.
This commit is contained in:
Zdenek Kabelac 2024-09-30 14:46:31 +02:00
parent 7f29afdb06
commit 0e1e220c3d
1 changed files with 2 additions and 2 deletions
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4
lib/locking/lvmlockd.c
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@ -521,12 +521,12 @@ static int _create_sanlock_lv(struct cmd_context *cmd, struct volume_group *vg,
if (num_mb % 8) if (num_mb % 8)
num_mb += (8 - (num_mb % 8)); num_mb += (8 - (num_mb % 8));
lv_size_bytes = num_mb * ONE_MB_IN_BYTES; /* size of sanlock LV in bytes */ lv_size_bytes = (uint64_t)num_mb * ONE_MB_IN_BYTES; /* size of sanlock LV in bytes */
extent_bytes = vg->extent_size * SECTOR_SIZE; /* size of one extent in bytes */ extent_bytes = vg->extent_size * SECTOR_SIZE; /* size of one extent in bytes */
total_extents = dm_div_up(lv_size_bytes, extent_bytes); /* number of extents in sanlock LV */ total_extents = dm_div_up(lv_size_bytes, extent_bytes); /* number of extents in sanlock LV */
lp.extents = total_extents; lp.extents = total_extents;
lv_size_bytes = total_extents * extent_bytes; lv_size_bytes = (uint64_t)total_extents * extent_bytes;
num_mb = lv_size_bytes / ONE_MB_IN_BYTES; num_mb = lv_size_bytes / ONE_MB_IN_BYTES;
log_debug("Creating lvmlock LV for sanlock with size %um %llub %u extents", log_debug("Creating lvmlock LV for sanlock with size %um %llub %u extents",
num_mb, (unsigned long long)lv_size_bytes, lp.extents); num_mb, (unsigned long long)lv_size_bytes, lp.extents);