--- /dev/null
+++ b/package/kernel/mac80211/patches/ath/302-ibss-2g-fix.patch
@@ -0,0 +1,17 @@
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -1197,6 +1197,14 @@
+ 		 (unsigned long long)(rx_timestamp - beacon_timestamp),
+ 		 jiffies);
+ 
++	if (sdata->u.ibss.fixed_channel && 
++		band == NL80211_BAND_2GHZ && 
++		elems->ds_params && 
++		channel->center_freq != ieee80211_channel_to_frequency(elems->ds_params[0], band)) {
++          ibss_dbg(sdata, "Reject beacon: chan %d center_freq %d beacon_freq %d\n", elems->ds_params[0], channel->center_freq, ieee80211_channel_to_frequency(elems->ds_params[0], band));
++			goto put_bss;
++  }
++
+ 	if (beacon_timestamp > rx_timestamp) {
+ 		ibss_dbg(sdata,
+ 			 "beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n",