diff options
| author | Shannon Nelson <snelson@pensando.io> | 2020-07-20 16:00:13 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-29 10:18:33 +0200 |
| commit | 42f5c49f7bbbcb677aced629c1d8955c7a9975b4 (patch) | |
| tree | d8418f465374b091f357a2b4bd2a8f7b2c0218b6 | |
| parent | eac87543368cfa5f6a475732317e4118511b3c12 (diff) | |
ionic: use offset for ethtool regs data
[ Upstream commit f85ae16f924f92a370b81b4e77862c1c59882fce ]
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: 4d03e00a2140 ("ionic: Add initial ethtool support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_ethtool.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c index 7d10265f782a..5aacc00962df 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c @@ -102,15 +102,18 @@ 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, |