1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 7862231a0750..d2aff7209070 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4357,7 +4357,7 @@ static int do_md_run(mddev_t * mddev)
         mddev->barriers_work = 1;
         mddev->ok_start_degraded = start_dirty_degraded;
 
-        if (start_readonly)
+        if (start_readonly && mddev->ro == 0)
                 mddev->ro = 2; /* read-only, but switch on first write */
 
         err = mddev->pers->run(mddev);