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Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0a856cb181e9..62c3328e2a1d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1028,8 +1028,9 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor
* (not needed for Linear and RAID0 as metadata doesn't
* record this size)
*/
- if (rdev->sectors >= (2ULL << 32) && sb->level >= 1)
- rdev->sectors = (2ULL << 32) - 2;
+ if (IS_ENABLED(CONFIG_LBDAF) && (u64)rdev->sectors >= (2ULL << 32) &&
+ sb->level >= 1)
+ rdev->sectors = (sector_t)(2ULL << 32) - 2;
if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1)
/* "this cannot possibly happen" ... */
@@ -1322,8 +1323,9 @@ super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
/* Limit to 4TB as metadata cannot record more than that.
* 4TB == 2^32 KB, or 2*2^32 sectors.
*/
- if (num_sectors >= (2ULL << 32) && rdev->mddev->level >= 1)
- num_sectors = (2ULL << 32) - 2;
+ if (IS_ENABLED(CONFIG_LBDAF) && (u64)num_sectors >= (2ULL << 32) &&
+ rdev->mddev->level >= 1)
+ num_sectors = (sector_t)(2ULL << 32) - 2;
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
md_super_wait(rdev->mddev);