mwl8k: remove unused mwl8k_vif::priv

Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwl8k.c

@@ -204,9 +204,6 @@ struct mwl8k_priv {
 
 /* Per interface specific private data */
 struct mwl8k_vif {
-	/* backpointer to parent config block */
-	struct mwl8k_priv *priv;
-
 	/* BSS config of AP or IBSS from mac80211*/
 	struct ieee80211_bss_conf bss_info;
 
@@ -2877,9 +2874,6 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
 	mwl8k_cmd_set_mac_addr(hw, conf->mac_addr);
 	memcpy(mwl8k_vif->mac_addr, conf->mac_addr, ETH_ALEN);
 
-	/* Back pointer to parent config block */
-	mwl8k_vif->priv = priv;
-
 	/* Set Initial sequence number to zero */
 	mwl8k_vif->seqno = 0;