diff options
| author | xypron.glpk@gmx.de <xypron.glpk@gmx.de> | 2016-05-19 21:20:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-23 13:54:03 -0700 |
| commit | 8da07a393f48864a87c61bb1dfbee640d9b97fd6 (patch) | |
| tree | f78f9967a4109c2b9d751e84991ded81fb683f87 /drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | |
| parent | c685293aa379b9d17e44fcc2f96a402b7648e838 (diff) | |
net: hns: avoid null pointer dereference
In the statement
assert(priv || priv->ae_handle);
the right side of || is only evaluated if priv is null.
v2:
As suggested by David Leight and David Miller the assert
statements are removed.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 3d746c887873..67a648c7d3a9 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -46,7 +46,6 @@ static u32 hns_nic_get_link(struct net_device *net_dev) u32 link_stat = priv->link; struct hnae_handle *h; - assert(priv && priv->ae_handle); h = priv->ae_handle; if (priv->phy) { @@ -646,8 +645,6 @@ static void hns_nic_get_drvinfo(struct net_device *net_dev, { struct hns_nic_priv *priv = netdev_priv(net_dev); - assert(priv); - strncpy(drvinfo->version, HNAE_DRIVER_VERSION, sizeof(drvinfo->version)); drvinfo->version[sizeof(drvinfo->version) - 1] = '\0'; @@ -720,8 +717,6 @@ static int hns_set_pauseparam(struct net_device *net_dev, struct hnae_handle *h; struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - h = priv->ae_handle; ops = h->dev->ops; @@ -780,8 +775,6 @@ static int hns_set_coalesce(struct net_device *net_dev, struct hnae_ae_ops *ops; int ret; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs) @@ -1111,8 +1104,6 @@ void hns_get_regs(struct net_device *net_dev, struct ethtool_regs *cmd, struct hns_nic_priv *priv = netdev_priv(net_dev); struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; cmd->version = HNS_CHIP_VERSION; @@ -1135,8 +1126,6 @@ static int hns_get_regs_len(struct net_device *net_dev) struct hns_nic_priv *priv = netdev_priv(net_dev); struct hnae_ae_ops *ops; - assert(priv || priv->ae_handle); - ops = priv->ae_handle->dev->ops; if (!ops->get_regs_len) { netdev_err(net_dev, "ops->get_regs_len is null!\n"); |