iwlwifi: fix bug when moving from 11gn to 11a or 11an to 11g

It is wrong to set the rxon channel according to the ht-channel
in case there is a mismatch (e.g. when there is no ht).
Signed-off-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -597,7 +597,6 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 		IWL_DEBUG_ASSOC("control diff than current %d %d\n",
 				le16_to_cpu(rxon->channel),
 				ht_info->control_channel);
-		rxon->channel = cpu_to_le16(ht_info->control_channel);
 		return;
 	}
 

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -742,8 +742,6 @@ extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
 extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
 				struct ieee80211_ht_info *ht_info,
 				enum ieee80211_band band);
-void iwl4965_set_rxon_ht(struct iwl_priv *priv,
-			 struct iwl_ht_info *ht_info);
 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
 				    enum ieee80211_ampdu_mlme_action action,
 				    const u8 *addr, u16 tid, u16 *ssn);