1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 21a90efb13b7..b572e1e386ce 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8021,7 +8021,7 @@ void md_ack_all_badblocks(struct badblocks *bb)
                 return;
         write_seqlock_irq(&bb->lock);
 
-        if (bb->changed == 0) {
+        if (bb->changed == 0 && bb->unacked_exist) {
                 u64 *p = bb->page;
                 int i;
                 for (i = 0; i < bb->count ; i++) {