sch_cbq: remove unnecessary null pointer check

It already has a NULL pointer check of rtab in qdisc_put_rtab().
Remove the check outside of qdisc_put_rtab().

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index d5a8a4b2454f..e25183333807 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1783,8 +1783,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
                                                     qdisc_root_sleeping_lock(sch),
                                                     tca[TCA_RATE]);
                         if (err) {
-                                if (rtab)
-                                        qdisc_put_rtab(rtab);
+                                qdisc_put_rtab(rtab);
                                 return err;
                         }
                 }