ethtool: Use full 32 bit speed range in ethtool's set_settings

This makes sure the ethtool's set_settings() callback of network
drivers don't ignore the 16 most significant bits when ethtool calls
their set_settings().

All drivers compiled with make allyesconfig on x86_64 have been
updated.

Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index 5f82c9c34978..8e14d652996b 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -638,11 +638,12 @@ static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
                 return -EOPNOTSUPP;             /* can't change speed/duplex */
 
         if (cmd->autoneg == AUTONEG_DISABLE) {
-                int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex);
+                u32 speed = ethtool_cmd_speed(cmd);
+                int cap = speed_duplex_to_caps(speed, cmd->duplex);
 
-                if (!(lc->supported & cap) || cmd->speed == SPEED_1000)
+                if (!(lc->supported & cap) || (speed == SPEED_1000))
                         return -EINVAL;
-                lc->requested_speed = cmd->speed;
+                lc->requested_speed = speed;
                 lc->requested_duplex = cmd->duplex;
                 lc->advertising = 0;
         } else {