diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 9d52f3b78732..8399fc4b27ae 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3748,7 +3748,6 @@ int btree_write_cache_pages(struct address_space *mapping,
 		.sync_io = wbc->sync_mode == WB_SYNC_ALL,
 	};
 	int ret = 0;
-	int flush_ret;
 	int done = 0;
 	int nr_to_write_done = 0;
 	struct pagevec pvec;
@@ -3848,8 +3847,12 @@ retry:
 		index = 0;
 		goto retry;
 	}
-	flush_ret = flush_write_bio(&epd);
-	BUG_ON(flush_ret < 0);
+	ASSERT(ret <= 0);
+	if (ret < 0) {
+		end_write_bio(&epd, ret);
+		return ret;
+	}
+	ret = flush_write_bio(&epd);
 	return ret;
 }