staging: vt6656: remove return from all void functions

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/card.c

@@ -669,8 +669,6 @@ void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval)
 
 	vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 		MESSAGE_REQUEST_TBTT, 0, 8, data);
-
-	return;
 }
 
 /*
@@ -708,8 +706,6 @@ void vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf,
 			MESSAGE_REQUEST_TBTT, 0, 8, data);
 
 	dev_dbg(&priv->usb->dev, "%s TBTT: %8llx\n", __func__, tsf);
-
-	return;
 }
 
 /*

drivers/staging/vt6656/mac.c

@@ -243,6 +243,4 @@ void vnt_mac_set_led(struct vnt_private *priv, u8 state, u8 led)
 
 	vnt_control_out(priv, MESSAGE_TYPE_WRITE_MASK, MAC_REG_PAPEDELAY,
 			MESSAGE_REQUEST_MACREG, ARRAY_SIZE(data), data);
-
-	return;
 }

drivers/staging/vt6656/usbpipe.c

@@ -137,8 +137,6 @@ static void vnt_start_interrupt_urb_complete(struct urb *urb)
 	} else {
 		priv->int_buf.in_use = true;
 	}
-
-	return;
 }
 
 int vnt_start_interrupt_urb(struct vnt_private *priv)
@@ -216,8 +214,6 @@ static void vnt_submit_rx_urb_complete(struct urb *urb)
 
 		rcb->in_use = false;
 	}
-
-	return;
 }
 
 int vnt_submit_rx_urb(struct vnt_private *priv, struct vnt_rcb *rcb)
@@ -279,8 +275,6 @@ static void vnt_tx_context_complete(struct urb *urb)
 
 		context->in_use = false;
 	}
-
-	return;
 }
 
 int vnt_tx_context(struct vnt_private *priv,

drivers/staging/vt6656/wcmd.c

@@ -164,8 +164,6 @@ void vnt_run_command(struct work_struct *work)
 	}
 
 	vnt_cmd_complete(priv);
-
-	return;
 }
 
 int vnt_schedule_command(struct vnt_private *priv, enum vnt_cmd command)