Commit 0da926f0 authored by Ron Rindjunsky's avatar Ron Rindjunsky Committed by John W. Linville

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: default avatarRon Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: default avatarAdrian Bunk <bunk@kernel.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 13d8fd2d
...@@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue) ...@@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
struct ieee80211_sched_data *q = qdisc_priv(root_qd); struct ieee80211_sched_data *q = qdisc_priv(root_qd);
struct Qdisc *qdisc = q->queues[queue]; struct Qdisc *qdisc = q->queues[queue];
struct sk_buff *skb = NULL; struct sk_buff *skb = NULL;
u32 len = qdisc->q.qlen; u32 len;
if (!qdisc || !qdisc->dequeue) if (!qdisc || !qdisc->dequeue)
return; return;
......
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