bfq: Avoid false marking of bic as stably merged

[platform/kernel/linux-rpi.git] / block / bfq-iosched.c

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 343ca55..95420e1 100644 (file)
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -2773,9 +2773,12 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
                                struct bfq_queue *new_bfqq =
                                        bfq_setup_merge(bfqq, stable_merge_bfqq);
 
-                               bic->stably_merged = true;
-                               if (new_bfqq && new_bfqq->bic)
-                                       new_bfqq->bic->stably_merged = true;
+                               if (new_bfqq) {
+                                       bic->stably_merged = true;
+                                       if (new_bfqq->bic)
+                                               new_bfqq->bic->stably_merged =
+                                                                       true;
+                               }
                                return new_bfqq;
                        } else
                                return NULL;