* [PATCH] mac80211: Don't encrypt beacons
@ 2008-05-05 18:40 Ivo van Doorn
0 siblings, 0 replies; only message in thread
From: Ivo van Doorn @ 2008-05-05 18:40 UTC (permalink / raw)
To: linville; +Cc: Johannes Berg, linux-wireless
mac80211 should set the IEEE80211_TX_CTL_DO_NOT_ENCRYPT flag in tx_control
structure to inform drivers not to encrypt the beacon. Drivers that only check
for that flag before accessing the hw_key field, will otherwise cause a NULL
pointer dereference since that field is not configured for beacons.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f35eaea..28d8bd5 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1898,6 +1898,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
control->flags |= IEEE80211_TXCTL_NO_ACK;
+ control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT;
control->retry_limit = 1;
control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT;
}
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2008-05-05 18:40 [PATCH] mac80211: Don't encrypt beacons Ivo van Doorn
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