1 files changed, 2 insertions, 4 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 135b1a48da23..938ae52aa927 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -557,15 +557,13 @@ static inline u64 min_vdisktime(u64 min_vdisktime, u64 vdisktime)
 
 static void update_min_vdisktime(struct cfq_rb_root *st)
 {
-        u64 vdisktime = st->min_vdisktime;
         struct cfq_group *cfqg;
 
         if (st->left) {
                 cfqg = rb_entry_cfqg(st->left);
-                vdisktime = min_vdisktime(vdisktime, cfqg->vdisktime);
+                st->min_vdisktime = max_vdisktime(st->min_vdisktime,
+                                                  cfqg->vdisktime);
         }
-
-        st->min_vdisktime = max_vdisktime(st->min_vdisktime, vdisktime);
 }
 
 /*