From patchwork series 497577

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=497577

Author: Fox Snowpatch

drivers/net/wan/fsl_ucc_hdlc.c

@@ -628,8 +628,7 @@ static int ucc_hdlc_poll(struct napi_struct *napi, int budget)
 	hdlc_tx_done(priv);
 	spin_unlock(&priv->lock);
 
-	howmany = 0;
-	howmany += hdlc_rx_done(priv, budget - howmany);
+	howmany = hdlc_rx_done(priv, budget);
 
 	if (howmany < budget) {
 		napi_complete_done(napi, howmany);