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: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 74204ec..d9596ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -169,7 +169,7 @@
  * @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 @@
 			break;
 		msleep(20);
 	}
-
-	return test_bit(STATUS_SCAN_HW, &priv->shrd->status);
 }
 
 /* Service response to REPLY_SCAN_CMD (0x80) */