iwlwifi: make various functions void in the file rs.c

This makes various functions in the file rs.c void due to these
functions never returning a error code to signal to their callers
if and how they have failed to complete their intended work.
Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/dvm/rs.c

@@ -1416,7 +1416,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 /*
  * Try to switch to new modulation mode from legacy
  */
-static int rs_move_legacy_other(struct iwl_priv *priv,
+static void rs_move_legacy_other(struct iwl_priv *priv,
 				 struct iwl_lq_sta *lq_sta,
 				 struct ieee80211_conf *conf,
 				 struct ieee80211_sta *sta,
@@ -1575,7 +1575,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 
 	}
 	search_tbl->lq_type = LQ_NONE;
-	return 0;
+	return;
 
 out:
 	lq_sta->search_better_tbl = 1;
@@ -1584,14 +1584,12 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 		tbl->action = IWL_LEGACY_SWITCH_ANTENNA1;
 	if (update_search_tbl_counter)
 		search_tbl->action = tbl->action;
-	return 0;
-
 }
 
 /*
  * Try to switch to new modulation mode from SISO
  */
-static int rs_move_siso_to_other(struct iwl_priv *priv,
+static void rs_move_siso_to_other(struct iwl_priv *priv,
 				  struct iwl_lq_sta *lq_sta,
 				  struct ieee80211_conf *conf,
 				  struct ieee80211_sta *sta, int index)
@@ -1747,7 +1745,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 			break;
 	}
 	search_tbl->lq_type = LQ_NONE;
-	return 0;
+	return;
 
  out:
 	lq_sta->search_better_tbl = 1;
@@ -1756,14 +1754,12 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 		tbl->action = IWL_SISO_SWITCH_ANTENNA1;
 	if (update_search_tbl_counter)
 		search_tbl->action = tbl->action;
-
-	return 0;
 }
 
 /*
  * Try to switch to new modulation mode from MIMO2
  */
-static int rs_move_mimo2_to_other(struct iwl_priv *priv,
+static void rs_move_mimo2_to_other(struct iwl_priv *priv,
 				   struct iwl_lq_sta *lq_sta,
 				   struct ieee80211_conf *conf,
 				   struct ieee80211_sta *sta, int index)
@@ -1917,7 +1913,7 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv,
 			break;
 	}
 	search_tbl->lq_type = LQ_NONE;
-	return 0;
+	return;
  out:
 	lq_sta->search_better_tbl = 1;
 	tbl->action++;
@@ -1926,14 +1922,12 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv,
 	if (update_search_tbl_counter)
 		search_tbl->action = tbl->action;
 
-	return 0;
-
 }
 
 /*
  * Try to switch to new modulation mode from MIMO3
  */
-static int rs_move_mimo3_to_other(struct iwl_priv *priv,
+static void rs_move_mimo3_to_other(struct iwl_priv *priv,
 				   struct iwl_lq_sta *lq_sta,
 				   struct ieee80211_conf *conf,
 				   struct ieee80211_sta *sta, int index)
@@ -2093,7 +2087,7 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv,
 			break;
 	}
 	search_tbl->lq_type = LQ_NONE;
-	return 0;
+	return;
  out:
 	lq_sta->search_better_tbl = 1;
 	tbl->action++;
@@ -2101,9 +2095,6 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv,
 		tbl->action = IWL_MIMO3_SWITCH_ANTENNA1;
 	if (update_search_tbl_counter)
 		search_tbl->action = tbl->action;
-
-	return 0;
-
 }
 
 /*