From 5daa8a8e691e28c6c725e7e91319b160b555c615 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 10 Aug 2010 09:46:41 +0200
Subject: mac80211: dont advertise WEP if unavailable
When WEP is unavailable, don't advertise it
to cfg80211.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
net/mac80211/main.c | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'net')
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 06b9608a2130..0afccda42a24 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -536,6 +536,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int channels, max_bitrates;
bool supp_ht;
static const u32 cipher_suites[] = {
+ /* keep WEP first, it may be removed below */
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
@@ -623,6 +624,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
if (!(local->hw.flags & IEEE80211_HW_MFP_CAPABLE))
local->hw.wiphy->n_cipher_suites--;
+ if (IS_ERR(local->wep_tx_tfm) || IS_ERR(local->wep_rx_tfm)) {
+ local->hw.wiphy->cipher_suites += 2;
+ local->hw.wiphy->n_cipher_suites -= 2;
+ }
result = wiphy_register(local->hw.wiphy);
if (result < 0)
--
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