rtlwifi: Remove unused/unneeded variables

Remove some unused variables and correct spelling errors.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
index bb0c781..dd5318e 100644
--- a/drivers/net/wireless/rtlwifi/base.c
+++ b/drivers/net/wireless/rtlwifi/base.c
@@ -432,7 +432,7 @@
 	}
 
 	if (rtlpriv->dm.useramask) {
-		/* TODO we will differentiate adhoc and station futrue  */
+		/* TODO adhoc and station handled differently in the future */
 		tcb_desc->mac_id = 0;
 
 		if ((mac->mode == WIRELESS_MODE_N_24G) ||
@@ -630,7 +630,7 @@
 	const struct iphdr *ip;
 
 	if (!ieee80211_is_data(fc))
-		goto end;
+		return false;
 
 	if (ieee80211_is_nullfunc(fc))
 		return true;
@@ -686,7 +686,6 @@
 		return true;
 	}
 
-end:
 	return false;
 }