diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 7bb94875a7ec87b3e2d882cb5df2416b9fad9d9..70461ff5c54cb787c2047ac4d67c6b0305db2b6 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2060,7 +2060,7 @@ static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
 static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
 {
        struct ethtool_ringparam ringparam, max = { .cmd = ETHTOOL_GRINGPARAM };
-       struct kernel_ethtool_ringparam kernel_ringparam;
+       struct kernel_ethtool_ringparam kernel_ringparam = {};
        int ret;
 
        if (!dev->ethtool_ops->set_ringparam || !dev->ethtool_ops->get_ringparam)