diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2013-12-11 15:48:37 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-11 15:30:17 -0500 |
| commit | 6b1dd8560179bd3328a3fb024ce1b63b772464fd (patch) | |
| tree | 64216333ea0da07ce0914ab7e37b4dc222efcf3e /net/sched | |
| parent | b601fa197fff265bf60eaf6950d4c194da080f4a (diff) | |
| download | blackbird-op-linux-6b1dd8560179bd3328a3fb024ce1b63b772464fd.tar.gz blackbird-op-linux-6b1dd8560179bd3328a3fb024ce1b63b772464fd.zip | |
sch_htb: remove unnecessary NULL pointer judgment
It already has a NULL pointer judgment of rtab in qdisc_put_rtab().
Remove the judgment outside of qdisc_put_rtab().
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_htb.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 0e1e38b40025..830c64f25539 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1337,7 +1337,6 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, struct htb_sched *q = qdisc_priv(sch); struct htb_class *cl = (struct htb_class *)*arg, *parent; struct nlattr *opt = tca[TCA_OPTIONS]; - struct qdisc_rate_table *rtab = NULL, *ctab = NULL; struct nlattr *tb[TCA_HTB_MAX + 1]; struct tc_htb_opt *hopt; u64 rate64, ceil64; @@ -1361,16 +1360,11 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, goto failure; /* Keeping backward compatible with rate_table based iproute2 tc */ - if (hopt->rate.linklayer == TC_LINKLAYER_UNAWARE) { - rtab = qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB]); - if (rtab) - qdisc_put_rtab(rtab); - } - if (hopt->ceil.linklayer == TC_LINKLAYER_UNAWARE) { - ctab = qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB]); - if (ctab) - qdisc_put_rtab(ctab); - } + if (hopt->rate.linklayer == TC_LINKLAYER_UNAWARE) + qdisc_put_rtab(qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB])); + + if (hopt->ceil.linklayer == TC_LINKLAYER_UNAWARE) + qdisc_put_rtab(qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB])); if (!cl) { /* new class */ struct Qdisc *new_q; |
