From: Jakub Kicinski <kubakici@wp.pl>
Date: Sat, 15 Mar 2014 14:55:11 +0000 (+0000)
Subject: ixgbe: remove redundant if clause from PTP work
X-Git-Tag: v3.15-rc1~113^2~16^2~11
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=181e7d5d7bd7747e882e3ca89ecbf0fc3e72d0da;p=linux.git

ixgbe: remove redundant if clause from PTP work

ptp_tx_skb is always set before work is scheduled,
work is cancelled before ptp_tx_skb is set to NULL.
PTP work cannot ever see ptp_tx_skb set to NULL.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 44ac9aef6a8d..8b527d79d429 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -512,10 +512,6 @@ static void ixgbe_ptp_tx_hwtstamp_work(struct work_struct *work)
 					      IXGBE_PTP_TX_TIMEOUT);
 	u32 tsynctxctl;
 
-	/* we have to have a valid skb */
-	if (!adapter->ptp_tx_skb)
-		return;
-
 	if (timeout) {
 		dev_kfree_skb_any(adapter->ptp_tx_skb);
 		adapter->ptp_tx_skb = NULL;