staging: vt6656: Remove STATUS enums from TX path

Returning standard error code or status variable.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/21bf299b-63e0-9f65-c7db-6e0b72e0f1d8@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/device.h

@@ -256,15 +256,6 @@ struct vnt_interrupt_buffer {
 	bool in_use;
 };
 
-/*++ NDIS related */
-
-enum {
-	STATUS_SUCCESS = 0,
-	STATUS_FAILURE,
-	STATUS_RESOURCES,
-	STATUS_PENDING,
-};
-
 /* flags for options */
 #define DEVICE_FLAGS_UNPLUG		0
 #define DEVICE_FLAGS_DISCONNECTED	1

drivers/staging/vt6656/rxtx.c

@@ -704,7 +704,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	if (vnt_tx_context(priv, tx_context) != STATUS_PENDING) {
+	if (vnt_tx_context(priv, tx_context)) {
 		spin_unlock_irqrestore(&priv->lock, flags);
 		return -EIO;
 	}
@@ -797,7 +797,7 @@ static int vnt_beacon_xmit(struct vnt_private *priv, struct sk_buff *skb)
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	if (vnt_tx_context(priv, context) != STATUS_PENDING)
+	if (vnt_tx_context(priv, context))
 		ieee80211_free_txskb(priv->hw, context->skb);
 
 	spin_unlock_irqrestore(&priv->lock, flags);

drivers/staging/vt6656/usbpipe.c

@@ -317,7 +317,7 @@ int vnt_tx_context(struct vnt_private *priv,
 
 	if (test_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags)) {
 		context->in_use = false;
-		return STATUS_RESOURCES;
+		return -ENODEV;
 	}
 
 	usb_fill_bulk_urb(urb,
@@ -333,8 +333,7 @@ int vnt_tx_context(struct vnt_private *priv,
 		dev_dbg(&priv->usb->dev, "Submit Tx URB failed %d\n", status);
 
 		context->in_use = false;
-		return STATUS_FAILURE;
 	}
 
-	return STATUS_PENDING;
+	return status;
 }