iwlagn: make iwl_scan_cancel_timeout void

The return value of iwl_scan_cancel_timeout()
isn't used anywhere, so let's just remove it.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

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

@@ -318,7 +318,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
  ******************************************************************************/
 void iwl_init_scan_params(struct iwl_priv *priv);
 int iwl_scan_cancel(struct iwl_priv *priv);
-int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
+void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
 void iwl_force_scan_end(struct iwl_priv *priv);
 int iwl_mac_hw_scan(struct ieee80211_hw *hw,
 		    struct ieee80211_vif *vif,

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

@@ -169,7 +169,7 @@ int iwl_scan_cancel(struct iwl_priv *priv)
  * @ms: amount of time to wait (in milliseconds) for scan to abort
  *
  */
-int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
+void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(ms);
 
@@ -184,8 +184,6 @@ int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms)
 			break;
 		msleep(20);
 	}
-
-	return test_bit(STATUS_SCAN_HW, &priv->shrd->status);
 }
 
 /* Service response to REPLY_SCAN_CMD (0x80) */