netdev: Make ethtool_ops::set_flags() return -EINVAL for unsupported flags

The documented error code for attempts to set unsupported flags (or
to clear flags that cannot be disabled) is EINVAL, not EOPNOTSUPP.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 4 insertions, 4 deletions

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 0809f6cfbd1a..29e293f97dba 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -10983,7 +10983,7 @@ static int bnx2x_set_flags(struct net_device *dev, u32 data)
         int rc = 0;
 
         if (data & ~(ETH_FLAG_LRO | ETH_FLAG_RXHASH))
-                return -EOPNOTSUPP;
+                return -EINVAL;
 
         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 6d94ee579466..b30de24f4a52 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -888,7 +888,7 @@ static int netxen_nic_set_flags(struct net_device *netdev, u32 data)
         int hw_lro;
 
         if (data & ~ETH_FLAG_LRO)
-                return -EOPNOTSUPP;
+                return -EINVAL;
 
         if (!(adapter->capabilities & NX_FW_CAPABILITY_HW_LRO))
                 return -EINVAL;
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index b9d5acbaf540..f8e39e4cfe0f 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -984,7 +984,7 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data)
         int hw_lro;
 
         if (data & ~ETH_FLAG_LRO)
-                return -EOPNOTSUPP;
+                return -EINVAL;
 
         if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
                 return -EINVAL;
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index a032d726d640..22371f1dca58 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -6692,7 +6692,7 @@ static int s2io_ethtool_set_flags(struct net_device *dev, u32 data)
         int changed = 0;
 
         if (data & ~ETH_FLAG_LRO)
-                return -EOPNOTSUPP;
+                return -EINVAL;
 
         if (data & ETH_FLAG_LRO) {
                 if (lro_enable) {