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cfg80211: check no-OFDM flag for channels wider than 20 MHz

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For channels wider than 20 MHz OFDM will be used, so when
checking whether or not a channel is usable, check for the
no-OFDM flag if the channel is wider than 20 MHz.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-12-04 20:49:42 +01:00
parent 2f91a96799
commit a6662dbae0
1 changed files with 3 additions and 0 deletions
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3
net/wireless/chan.c
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@ -265,6 +265,9 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
/* TODO: missing regulatory check on 80/160 bandwidth */
if (width > 20)
prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
if (!cfg80211_secondary_chans_ok(wiphy, chandef->center_freq1,
width, prohibited_flags))
return false;