staging: vt6656: Remove return statement of iwctl_giwmode

This function will always return 0, and this data is not used by who
calls this function.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index d6fd010..75b36d3 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -471,7 +471,7 @@
  * Wireless Handler : get operation mode
  */
 
-int iwctl_giwmode(struct net_device *dev,
+void iwctl_giwmode(struct net_device *dev,
              struct iw_request_info *info,
              __u32 *wmode,
              char *extra)
@@ -498,8 +498,6 @@
 	default:
 		*wmode = IW_MODE_ADHOC;
 	}
-
-	return 0;
 }
 
 
diff --git a/drivers/staging/vt6656/iwctl.h b/drivers/staging/vt6656/iwctl.h
index 10a240e..60180a7 100644
--- a/drivers/staging/vt6656/iwctl.h
+++ b/drivers/staging/vt6656/iwctl.h
@@ -52,7 +52,7 @@
              char *extra);
 
 
-int iwctl_giwmode(struct net_device *dev,
+void iwctl_giwmode(struct net_device *dev,
              struct iw_request_info *info,
              __u32 *wmode,
              char *extra);
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 6a708f4..fdd35c6 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1733,7 +1733,7 @@
 
 		// Get mode of operation
 	case SIOCGIWMODE:
-		rc = iwctl_giwmode(dev, NULL, &(wrq->u.mode), NULL);
+		iwctl_giwmode(dev, NULL, &(wrq->u.mode), NULL);
 		break;
 
 		// Set WEP keys and mode