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-rw-r--r--drivers/md/raid10.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 99ae6068e456..bcf6ea8acc9f 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -2890,6 +2890,12 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
/* want to reconstruct this device */
rb2 = r10_bio;
sect = raid10_find_virt(conf, sector_nr, i);
+ if (sect >= mddev->resync_max_sectors) {
+ /* last stripe is not complete - don't
+ * try to recover this sector.
+ */
+ continue;
+ }
/* Unless we are doing a full sync, or a replacement
* we only need to recover the block if it is set in
* the bitmap