1 files changed, 1 insertions, 2 deletions

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 099a4200732c..8e547231c1b7 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -119,8 +119,7 @@ struct ethtool_cmd {
 static inline void ethtool_cmd_speed_set(struct ethtool_cmd *ep,
                                          __u32 speed)
 {
-
-        ep->speed = (__u16)speed;
+        ep->speed = (__u16)(speed & 0xFFFF);
         ep->speed_hi = (__u16)(speed >> 16);
 }