From 63c317dbee97983004dffdd9f742a20d17150071 Mon Sep 17 00:00:00 2001 From: Avijit Kanti Das Date: Wed, 14 May 2014 11:03:56 -0700 Subject: 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. Change-Id: If3fd2d872a1b1ab9521d937b86a29fc468a8bbfe Signed-off-by: Avijit Kanti Das --- net/core/ethtool.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/core/ethtool.c b/net/core/ethtool.c index ce91766..900a05f 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -711,11 +711,13 @@ static int ethtool_reset(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) return -EOPNOTSUPP; + memset(&wol, 0, sizeof(struct ethtool_wolinfo)); + wol.cmd = ETHTOOL_GWOL; dev->ethtool_ops->get_wol(dev, &wol); if (copy_to_user(useraddr, &wol, sizeof(wol))) -- cgit v1.1