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-rw-r--r--drivers/md/md.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 95466bb089ab..a2813fa06b7c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2143,8 +2143,9 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
if (test_bit(AllReserved, &rdev2->flags) ||
(rdev->bdev == rdev2->bdev &&
rdev != rdev2 &&
- overlaps(rdev->data_offset, rdev->size,
- rdev2->data_offset, rdev2->size))) {
+ overlaps(rdev->data_offset, rdev->size * 2,
+ rdev2->data_offset,
+ rdev2->size * 2))) {
overlap = 1;
break;
}