1 files changed, 3 insertions, 1 deletions

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index cb608768ca37..7b23743eb9c5 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3545,7 +3545,9 @@ void put_io_context(struct io_context *ioc)
                 if (ioc->aic && ioc->aic->dtor)
                         ioc->aic->dtor(ioc->aic);
                 if (ioc->cic_root.rb_node != NULL) {
-                        cic = rb_entry(rb_first(&ioc->cic_root), struct cfq_io_context, rb_node);
+                        struct rb_node *n = rb_first(&ioc->cic_root);
+
+                        cic = rb_entry(n, struct cfq_io_context, rb_node);
                         cic->dtor(ioc);
                 }
                 rcu_read_unlock();