releases/4.9.94/net-wan-fsl_ucc_hdlc-fix-incorrect-memory-allocation.patch

From foo@baz Mon Apr  9 17:09:24 CEST 2018
From: Holger Brunck <holger.brunck@keymile.com>
Date: Wed, 17 May 2017 17:24:35 +0200
Subject: net/wan/fsl_ucc_hdlc: fix incorrect memory allocation

From: Holger Brunck <holger.brunck@keymile.com>


[ Upstream commit 5b8aad93c52bdda6a731cab8497998cfa0f2df07 ]

We need space for the struct qe_bd and not for a pointer to this struct.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Cc: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/wan/fsl_ucc_hdlc.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -137,7 +137,7 @@ static int uhdlc_init(struct ucc_hdlc_pr
 	priv->tx_ring_size = TX_BD_RING_LEN;
 	/* Alloc Rx BD */
 	priv->rx_bd_base = dma_alloc_coherent(priv->dev,
-			RX_BD_RING_LEN * sizeof(struct qe_bd *),
+			RX_BD_RING_LEN * sizeof(struct qe_bd),
 			&priv->dma_rx_bd, GFP_KERNEL);
 
 	if (!priv->rx_bd_base) {
@@ -148,7 +148,7 @@ static int uhdlc_init(struct ucc_hdlc_pr
 
 	/* Alloc Tx BD */
 	priv->tx_bd_base = dma_alloc_coherent(priv->dev,
-			TX_BD_RING_LEN * sizeof(struct qe_bd *),
+			TX_BD_RING_LEN * sizeof(struct qe_bd),
 			&priv->dma_tx_bd, GFP_KERNEL);
 
 	if (!priv->tx_bd_base) {
@@ -295,11 +295,11 @@ free_ucc_pram:
 	qe_muram_free(priv->ucc_pram_offset);
 free_tx_bd:
 	dma_free_coherent(priv->dev,
-			  TX_BD_RING_LEN * sizeof(struct qe_bd *),
+			  TX_BD_RING_LEN * sizeof(struct qe_bd),
 			  priv->tx_bd_base, priv->dma_tx_bd);
 free_rx_bd:
 	dma_free_coherent(priv->dev,
-			  RX_BD_RING_LEN * sizeof(struct qe_bd *),
+			  RX_BD_RING_LEN * sizeof(struct qe_bd),
 			  priv->rx_bd_base, priv->dma_rx_bd);
 free_uccf:
 	ucc_fast_free(priv->uccf);
@@ -688,7 +688,7 @@ static void uhdlc_memclean(struct ucc_hd
 
 	if (priv->rx_bd_base) {
 		dma_free_coherent(priv->dev,
-				  RX_BD_RING_LEN * sizeof(struct qe_bd *),
+				  RX_BD_RING_LEN * sizeof(struct qe_bd),
 				  priv->rx_bd_base, priv->dma_rx_bd);
 
 		priv->rx_bd_base = NULL;
@@ -697,7 +697,7 @@ static void uhdlc_memclean(struct ucc_hd
 
 	if (priv->tx_bd_base) {
 		dma_free_coherent(priv->dev,
-				  TX_BD_RING_LEN * sizeof(struct qe_bd *),
+				  TX_BD_RING_LEN * sizeof(struct qe_bd),
 				  priv->tx_bd_base, priv->dma_tx_bd);
 
 		priv->tx_bd_base = NULL;