Commit 5ff223e8 authored by zhanglin's avatar zhanglin Committed by David S. Miller

net: Zeroing the structure ethtool_wolinfo in ethtool_get_wol()

memset() the structure ethtool_wolinfo that has padded bytes
but the padded bytes have not been zeroed out.
Signed-off-by: default avatarzhanglin <zhang.lin16@zte.com.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7c3bebc3
...@@ -1396,11 +1396,13 @@ static int ethtool_reset(struct net_device *dev, char __user *useraddr) ...@@ -1396,11 +1396,13 @@ static int ethtool_reset(struct net_device *dev, char __user *useraddr)
static int ethtool_get_wol(struct net_device *dev, char __user *useraddr) static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
{ {
struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; struct ethtool_wolinfo wol;
if (!dev->ethtool_ops->get_wol) if (!dev->ethtool_ops->get_wol)
return -EOPNOTSUPP; return -EOPNOTSUPP;
memset(&wol, 0, sizeof(struct ethtool_wolinfo));
wol.cmd = ETHTOOL_GWOL;
dev->ethtool_ops->get_wol(dev, &wol); dev->ethtool_ops->get_wol(dev, &wol);
if (copy_to_user(useraddr, &wol, sizeof(wol))) if (copy_to_user(useraddr, &wol, sizeof(wol)))
......
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