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>
(cherry picked from commit 9c2f186e45faa34d5f6ff52aa84c361d4be72288)

Orabug: 26325580

Signed-off-by: Kirtikar Kashyap <kirtikar.kashyap@oracle.com>
Reviewed-by: Jack Vogel <jack.vogel@oracle.com>

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index b25bbd08f32e27387d73178a7539c484ee8d5749..c284e05076d0ac66f38416a075801fb3df6e7c7c 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.
         */