diff options
| author | Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de> | 2013-07-08 16:55:57 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-07-16 08:58:10 +0200 |
| commit | 4b42aab1e8fcac2e9b835a7d93bf30dc9a032faa (patch) | |
| tree | d725ba14d8bc8a4498ee71054e0d03163dcae2e9 /net/mac80211/ibss.c | |
| parent | mac80211: allow scanning for 5/10 MHz channels in IBSS (diff) | |
| download | linux-4b42aab1e8fcac2e9b835a7d93bf30dc9a032faa.tar.xz linux-4b42aab1e8fcac2e9b835a7d93bf30dc9a032faa.zip | |
mac80211: return if IBSS chandef can not be used
This was originally designed to fail when a 40+/40- mode can not be
used, but basic modes (such as 5/10/20 MHz) must be handled
with an error.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 8fa1c27bdfe3..449702df24ab 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -85,6 +85,14 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, chandef = ifibss->chandef; if (!cfg80211_reg_can_beacon(local->hw.wiphy, &chandef)) { + if (chandef.width == NL80211_CHAN_WIDTH_5 || + chandef.width == NL80211_CHAN_WIDTH_10 || + chandef.width == NL80211_CHAN_WIDTH_20_NOHT || + chandef.width == NL80211_CHAN_WIDTH_20) { + sdata_info(sdata, + "Failed to join IBSS, beacons forbidden\n"); + return; + } chandef.width = NL80211_CHAN_WIDTH_20; chandef.center_freq1 = chan->center_freq; } |