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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>
This commit is contained in:
Ron Rindjunsky 2008-04-23 13:45:12 +03:00 committed by John W. Linville
parent 13d8fd2d15
commit 0da926f057
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/wme.c
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@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
struct ieee80211_sched_data *q = qdisc_priv(root_qd);
struct Qdisc *qdisc = q->queues[queue];
struct sk_buff *skb = NULL;
u32 len = qdisc->q.qlen;
u32 len;
if (!qdisc || !qdisc->dequeue)
return;