cfg80211: don't refuse HT20 channels on devices that don't support HT40

Don't refuse HT20 channels on devices that don't support HT40.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index b01a6f6397d7be03659547f98f06569011ffac77..d0c92dddb26bddb5b3d55a82ebf39fa8917e446c 100644 (file)
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -35,8 +35,9 @@ rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
                if (!ht_cap->ht_supported)
                        return NULL;
 
-               if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
-                   ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT)
+               if (channel_type != NL80211_CHAN_HT20 &&
+                   (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
+                   ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
                        return NULL;
        }