Revert "net: core: 'ethtool' issue with querying phy settings"
authorDavid S. Miller <davem@davemloft.net>
Mon, 1 Jun 2015 21:43:50 +0000 (14:43 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 1 Jun 2015 21:43:50 +0000 (14:43 -0700)
This reverts commit f96dee13b8e10f00840124255bed1d8b4c6afd6f.

It isn't right, ethtool is meant to manage one PHY instance
per netdevice at a time, and this is selected by the SET
command.  Therefore by definition the GET command must only
return the settings for the configured and selected PHY.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/ethtool.c

index 1347e11..1d00b89 100644 (file)
@@ -359,15 +359,7 @@ static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
        int err;
        struct ethtool_cmd cmd;
 
-       if (!dev->ethtool_ops->get_settings)
-               return -EOPNOTSUPP;
-
-       if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
-               return -EFAULT;
-
-       cmd.cmd = ETHTOOL_GSET;
-
-       err = dev->ethtool_ops->get_settings(dev, &cmd);
+       err = __ethtool_get_settings(dev, &cmd);
        if (err < 0)
                return err;