igb: Drop unnecessary checks in transmit path

This patch drops several checks that we dropped from ixgbe some ago.  It
should not be possible for us to be called with either of the conditional
statements returning true so we can just drop them from the hot-path.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 7366d4ff04006958807abfb5cd565d0255bd27f4..bb5be404a56aefdd40efe2e3bd3812a01dc8f5ec 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5193,16 +5193,6 @@ static netdev_tx_t igb_xmit_frame(struct sk_buff *skb,
 {
        struct igb_adapter *adapter = netdev_priv(netdev);
 
-       if (test_bit(__IGB_DOWN, &adapter->state)) {
-               dev_kfree_skb_any(skb);
-               return NETDEV_TX_OK;
-       }
-
-       if (skb->len <= 0) {
-               dev_kfree_skb_any(skb);
-               return NETDEV_TX_OK;
-       }
-
        /* The minimum packet size with TCTL.PSP set is 17 so pad the skb
         * in order to meet this minimum size requirement.
         */