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>

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 3d746c8..67a648c 100644 (file)
--- 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");