diff --git a/block/bio.c b/block/bio.c
index 259197d9..c4f8701 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -2004,7 +2004,6 @@
 int bio_associate_current(struct bio *bio)
 {
 	struct io_context *ioc;
-	struct cgroup_subsys_state *css;
 
 	if (bio->bi_ioc)
 		return -EBUSY;
@@ -2013,17 +2012,9 @@
 	if (!ioc)
 		return -ENOENT;
 
-	/* acquire active ref on @ioc and associate */
 	get_io_context_active(ioc);
 	bio->bi_ioc = ioc;
-
-	/* associate blkcg if exists */
-	rcu_read_lock();
-	css = task_css(current, blkio_cgrp_id);
-	if (css && css_tryget_online(css))
-		bio->bi_css = css;
-	rcu_read_unlock();
-
+	bio->bi_css = task_get_css(current, blkio_cgrp_id);
 	return 0;
 }