From 77ed4e45833fc12f3178a65853687b60e952eddd Mon Sep 17 00:00:00 2001 From: Thomas Pedersen Date: Thu, 19 Apr 2012 16:29:19 -0700 Subject: [PATCH] ath6kl: disallow WoW with multiple vifs The ath6kl fw does not have enough memory to support the WoW filters of more than one vif. Disallow WoW suspend if this is the case. Signed-off-by: Thomas Pedersen Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/cfg80211.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index c8147b9..d417213 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -2059,6 +2059,10 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) u8 index = 0; __be32 ips[MAX_IP_ADDRS]; + /* The FW currently can't support multi-vif WoW properly. */ + if (ar->num_vif > 1) + return -EIO; + vif = ath6kl_vif_first(ar); if (!vif) return -EIO; @@ -3137,6 +3141,10 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, if (vif->sme_state != SME_DISCONNECTED) return -EBUSY; + /* The FW currently can't support multi-vif WoW properly. */ + if (ar->num_vif > 1) + return -EIO; + ath6kl_cfg80211_scan_complete_event(vif, true); ret = ath6kl_set_probed_ssids(ar, vif, request->ssids, -- 2.7.4