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Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index b3bbe78821d9..679b3a14f11f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -822,6 +822,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
struct net_device *mdev;
struct ieee80211_master_priv *mpriv;
int channels, i, j, max_bitrates;
+ bool supp_ht;
/*
* generic code guarantees at least one band,
@@ -830,6 +831,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
*/
channels = 0;
max_bitrates = 0;
+ supp_ht = false;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
struct ieee80211_supported_band *sband;
@@ -846,6 +848,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (max_bitrates < sband->n_bitrates)
max_bitrates = sband->n_bitrates;
+ supp_ht = supp_ht || sband->ht_cap.ht_supported;
}
local->int_scan_req.n_channels = channels;
@@ -872,6 +875,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
* information -- SSID is the driver's responsibility.
*/
local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */
+ if (supp_ht)
+ local->scan_ies_len += 2 + sizeof(struct ieee80211_ht_cap);
if (!local->ops->hw_scan) {
/* For hw_scan, driver needs to set these up. */