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Commit 9cab3151 authored by Johannes Berg's avatar Johannes Berg
Browse files

cfg80211: adjacent 80+80 MHz channel segments are invalid 



In that case, it's really a 160 MHz channel, so disallow
this configuration.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 75de9113

net/wireless/chan.c

+4 −0
Original line number Diff line number Diff line
@@ -76,6 +76,10 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef) 
			return false;

		if (!chandef->center_freq2)

			return false;

		/* adjacent is not allowed -- that's a 160 MHz channel */

		if (chandef->center_freq1 - chandef->center_freq2 == 80 ||

		    chandef->center_freq2 - chandef->center_freq1 == 80)

			return false;

		break;

	case NL80211_CHAN_WIDTH_80:

		if (chandef->center_freq1 != control_freq + 30 &&