1 files changed, 10 insertions, 1 deletions

diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 597732c989ca..e88b80d41f73 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -439,6 +439,7 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
 {
         struct ethtool_rxnfc info;
         size_t info_size = sizeof(info);
+        int rc;
 
         if (!dev->ethtool_ops->set_rxnfc)
                 return -EOPNOTSUPP;
@@ -454,7 +455,15 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
         if (copy_from_user(&info, useraddr, info_size))
                 return -EFAULT;
 
-        return dev->ethtool_ops->set_rxnfc(dev, &info);
+        rc = dev->ethtool_ops->set_rxnfc(dev, &info);
+        if (rc)
+                return rc;
+
+        if (cmd == ETHTOOL_SRXCLSRLINS &&
+            copy_to_user(useraddr, &info, info_size))
+                return -EFAULT;
+
+        return 0;
 }
 
 static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,