[PATCH] net: sgi: ioc3-eth: Fix the size used in some 'dma_free_coherent()' calls

From: Christophe JAILLET
Date: Sun Aug 02 2020 - 09:52:13 EST


Update the size used in 'dma_free_coherent()' in order to match the one
used in the corresponding 'dma_alloc_coherent()'.

Fixes: 369a782af0f1 ("net: sgi: ioc3-eth: ensure tx ring is 16k aligned.")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/net/ethernet/sgi/ioc3-eth.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c
index 6646eba9f57f..6eef0f45b133 100644
--- a/drivers/net/ethernet/sgi/ioc3-eth.c
+++ b/drivers/net/ethernet/sgi/ioc3-eth.c
@@ -951,7 +951,7 @@ static int ioc3eth_probe(struct platform_device *pdev)
dma_free_coherent(ip->dma_dev, RX_RING_SIZE, ip->rxr,
ip->rxr_dma);
if (ip->tx_ring)
- dma_free_coherent(ip->dma_dev, TX_RING_SIZE, ip->tx_ring,
+ dma_free_coherent(ip->dma_dev, TX_RING_SIZE + SZ_16K - 1, ip->tx_ring,
ip->txr_dma);
out_free:
free_netdev(dev);
@@ -964,7 +964,7 @@ static int ioc3eth_remove(struct platform_device *pdev)
struct ioc3_private *ip = netdev_priv(dev);

dma_free_coherent(ip->dma_dev, RX_RING_SIZE, ip->rxr, ip->rxr_dma);
- dma_free_coherent(ip->dma_dev, TX_RING_SIZE, ip->tx_ring, ip->txr_dma);
+ dma_free_coherent(ip->dma_dev, TX_RING_SIZE + SZ_16K - 1, ip->tx_ring, ip->txr_dma);

unregister_netdev(dev);
del_timer_sync(&ip->ioc3_timer);
--
2.25.1