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ionic: use offset for ethtool regs data 

Use an offset to write the second half of the regs data into the
second half of the buffer instead of overwriting the first half.

Fixes: 4d03e00a21 ("ionic: Add initial ethtool support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2020-07-20 16:00:13 -07:00 committed by David S. Miller
parent 5d93518e06
commit f85ae16f92
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
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@ -103,15 +103,18 @@ static void ionic_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
void *p)
{
struct ionic_lif *lif = netdev_priv(netdev);
unsigned int offset;
unsigned int size;
regs->version = IONIC_DEV_CMD_REG_VERSION;
offset = 0;
size = IONIC_DEV_INFO_REG_COUNT * sizeof(u32);
memcpy_fromio(p, lif->ionic->idev.dev_info_regs->words, size);
memcpy_fromio(p + offset, lif->ionic->idev.dev_info_regs->words, size);
offset += size;
size = IONIC_DEV_CMD_REG_COUNT * sizeof(u32);
memcpy_fromio(p, lif->ionic->idev.dev_cmd_regs->words, size);
memcpy_fromio(p + offset, lif->ionic->idev.dev_cmd_regs->words, size);
}
static int ionic_get_link_ksettings(struct net_device *netdev,