1 files changed, 21 insertions, 16 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 61614461e08..19969ecf930 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3219,12 +3219,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
                                    ht_cfreq, ht_oper->primary_chan,
                                    cbss->channel->band);
                         ht_oper = NULL;
-                } else {
-                        channel_type = NL80211_CHAN_HT20;
                 }
         }
 
-        if (ht_oper && sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+        if (ht_oper) {
                 /*
                  * cfg80211 already verified that the channel itself can
                  * be used, but it didn't check that we can do the right
@@ -3237,19 +3235,26 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 
                 channel_type = NL80211_CHAN_HT20;
 
-                switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
-                case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
-                        if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
-                                ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
-                        else
-                                channel_type = NL80211_CHAN_HT40PLUS;
-                        break;
-                case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
-                        if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
-                                ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
-                        else
-                                channel_type = NL80211_CHAN_HT40MINUS;
-                        break;
+                if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
+                        switch (ht_oper->ht_param &
+                                        IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+                        case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+                                if (cbss->channel->flags &
+                                                IEEE80211_CHAN_NO_HT40PLUS)
+                                        ifmgd->flags |=
+                                                IEEE80211_STA_DISABLE_40MHZ;
+                                else
+                                        channel_type = NL80211_CHAN_HT40PLUS;
+                                break;
+                        case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+                                if (cbss->channel->flags &
+                                                IEEE80211_CHAN_NO_HT40MINUS)
+                                        ifmgd->flags |=
+                                                IEEE80211_STA_DISABLE_40MHZ;
+                                else
+                                        channel_type = NL80211_CHAN_HT40MINUS;
+                                break;
+                        }
                 }
 
                 ht_cap_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY,