mac80211: fix use before check of Qdisc length
This patch fixes use of Qdisc length in requeue function, before we checked the reference is valid. (Adrian Bunk's catch) Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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13d8fd2d15
Коммит
0da926f057
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@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
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struct ieee80211_sched_data *q = qdisc_priv(root_qd);
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struct Qdisc *qdisc = q->queues[queue];
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struct sk_buff *skb = NULL;
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u32 len = qdisc->q.qlen;
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u32 len;
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if (!qdisc || !qdisc->dequeue)
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return;
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