From: Xu Wang <vulab@iscas.ac.cn>
Date: Wed, 26 Aug 2020 03:12:51 +0000 (+0000)
Subject: ptp: ptp_ines: Remove redundant null check
X-Git-Tag: howlett/maple_spf/20210104~792^2~435
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ea416e277f09c4285f60a7ea741ca62719191a90;p=users%2Fjedix%2Flinux-maple.git

ptp: ptp_ines: Remove redundant null check

Because kfree_skb already checked NULL skb parameter,
so the additional check is unnecessary, just remove it.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index d726c589edda..4700ffbdfced 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -644,8 +644,7 @@ static void ines_txtstamp(struct mii_timestamper *mii_ts,
 
 	spin_unlock_irqrestore(&port->lock, flags);
 
-	if (old_skb)
-		kfree_skb(old_skb);
+	kfree_skb(old_skb);
 
 	schedule_delayed_work(&port->ts_work, 1);
 }