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net: qca_spi: Fix alignment issues in rx path

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[ Upstream commit 8d66c30b12ed3cb533696dea8b9a9eadd5da426a ]

The qca_spi driver causes alignment issues on ARM devices.
So fix this by using netdev_alloc_skb_ip_align().

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA7000")
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>
This commit is contained in:
Stefan Wahren 2017-05-09 15:40:38 +02:00 committed by Greg Kroah-Hartman
parent 2005c4f301
commit 485c108e82
1 changed files with 6 additions and 4 deletions
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10
drivers/net/ethernet/qualcomm/qca_spi.c
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@ -296,8 +296,9 @@ qcaspi_receive(struct qcaspi *qca)
/* Allocate rx SKB if we don't have one available. */
if (!qca->rx_skb) {
qca->rx_skb = netdev_alloc_skb(net_dev,
net_dev->mtu + VLAN_ETH_HLEN);
qca->rx_skb = netdev_alloc_skb_ip_align(net_dev,
net_dev->mtu +
VLAN_ETH_HLEN);
if (!qca->rx_skb) {
netdev_dbg(net_dev, "out of RX resources\n");
qca->stats.out_of_mem++;
@ -377,7 +378,7 @@ qcaspi_receive(struct qcaspi *qca)
qca->rx_skb, qca->rx_skb->dev);
qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY;
netif_rx_ni(qca->rx_skb);
qca->rx_skb = netdev_alloc_skb(net_dev,
qca->rx_skb = netdev_alloc_skb_ip_align(net_dev,
net_dev->mtu + VLAN_ETH_HLEN);
if (!qca->rx_skb) {
netdev_dbg(net_dev, "out of RX resources\n");
@ -759,7 +760,8 @@ qcaspi_netdev_init(struct net_device *dev)
if (!qca->rx_buffer)
return -ENOBUFS;
qca->rx_skb = netdev_alloc_skb(dev, qca->net_dev->mtu + VLAN_ETH_HLEN);
qca->rx_skb = netdev_alloc_skb_ip_align(dev, qca->net_dev->mtu +
VLAN_ETH_HLEN);
if (!qca->rx_skb) {
kfree(qca->rx_buffer);
netdev_info(qca->net_dev, "Failed to allocate RX sk_buff.\n");