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authorJohannes Berg <johannes.berg@intel.com>2014-02-27 20:47:53 +0100
committerJohannes Berg <johannes.berg@intel.com>2014-02-27 20:53:01 +0100
commitcb664981607a6b5b3d670ad57bbda893b2528d96 (patch)
treef17283867f636cb381af7da0e042c9960736809d /net
parent092008abeed1e4168c08826262695ea67657e1aa (diff)
downloadlinux-cb664981607a6b5b3d670ad57bbda893b2528d96.tar.gz
mac80211: fix association to 20/40 MHz VHT networks
When a VHT network uses 20 or 40 MHz as per the HT operation
information, the channel center frequency segment 0 field in
the VHT operation information is reserved, so ignore it.

This fixes association with such networks when the AP puts 0
into the field, previously we'd disconnect due to an invalid
channel with the message
wlan0: AP VHT information is invalid, disable VHT

Cc: stable@vger.kernel.org
Fixes: f2d9d270c15ae ("mac80211: support VHT association")
Reported-by: Tim Nelson <tim.l.nelson@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c415f00cd6b6..245dce969b31 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -222,6 +222,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	switch (vht_oper->chan_width) {
 	case IEEE80211_VHT_CHANWIDTH_USE_HT:
 		vht_chandef.width = chandef->width;
+		vht_chandef.center_freq1 = chandef->center_freq1;
 		break;
 	case IEEE80211_VHT_CHANWIDTH_80MHZ:
 		vht_chandef.width = NL80211_CHAN_WIDTH_80;