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sch_cbq: remove unnecessary null pointer check
author
Yang Yingliang
<yangyingliang@huawei.com>
Tue, 17 Dec 2013 07:29:17 +0000
(15:29 +0800)
committer
David S. Miller
<davem@davemloft.net>
Thu, 19 Dec 2013 20:06:55 +0000
(15:06 -0500)
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>
net/sched/sch_cbq.c
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diff --git
a/net/sched/sch_cbq.c
b/net/sched/sch_cbq.c
index
d5a8a4b
..
e251833
100644
(file)
--- 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;
}
}