diff options
Diffstat (limited to 'net/ethtool/ioctl.c')
| -rw-r--r-- | net/ethtool/ioctl.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 81fa36a4c9c4..f2abc3152888 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1619,12 +1619,14 @@ static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr) { struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE }; + struct kernel_ethtool_coalesce kernel_coalesce = {}; int ret; if (!dev->ethtool_ops->get_coalesce) return -EOPNOTSUPP; - ret = dev->ethtool_ops->get_coalesce(dev, &coalesce); + ret = dev->ethtool_ops->get_coalesce(dev, &coalesce, &kernel_coalesce, + NULL); if (ret) return ret; @@ -1691,19 +1693,26 @@ ethtool_set_coalesce_supported(struct net_device *dev, static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr) { + struct kernel_ethtool_coalesce kernel_coalesce = {}; struct ethtool_coalesce coalesce; int ret; - if (!dev->ethtool_ops->set_coalesce) + if (!dev->ethtool_ops->set_coalesce && !dev->ethtool_ops->get_coalesce) return -EOPNOTSUPP; + ret = dev->ethtool_ops->get_coalesce(dev, &coalesce, &kernel_coalesce, + NULL); + if (ret) + return ret; + if (copy_from_user(&coalesce, useraddr, sizeof(coalesce))) return -EFAULT; if (!ethtool_set_coalesce_supported(dev, &coalesce)) return -EOPNOTSUPP; - ret = dev->ethtool_ops->set_coalesce(dev, &coalesce); + ret = dev->ethtool_ops->set_coalesce(dev, &coalesce, &kernel_coalesce, + NULL); if (!ret) ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL); return ret; |