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>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index b01a6f6397d7..d0c92dddb26b 100644
--- 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;
         }