1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 2868d85f1fb1..fac0ddf8a8e2 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -764,9 +764,9 @@ blk_trace_bio_get_cgid(struct request_queue *q, struct bio *bio)
         if (!bt || !(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
                 return NULL;
 
-        if (!bio->bi_css)
+        if (!bio->bi_blkg)
                 return NULL;
-        return cgroup_get_kernfs_id(bio->bi_css->cgroup);
+        return cgroup_get_kernfs_id(bio_blkcg(bio)->css.cgroup);
 }
 #else
 static union kernfs_node_id *