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>
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 4e94e40..64faa3d 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -709,7 +709,7 @@
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;