linux-kernel - [PATCH] ipvlan: Remove redundant if statements

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Date:   Thu,  2 Dec 2021 07:53:59 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     davem@...emloft.net, zkuba@...nel.org, trix@...hat.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ipvlan: Remove redundant if statements

The 'if (dev)' statement already move into dev_{put , hold}, so remove
redundant if statements.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/net/ipvlan/ipvlan_core.c | 3 +--
 drivers/net/ipvlan/ipvlan_main.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 6cd50106e611..c613900c3811 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -291,8 +291,7 @@ void ipvlan_process_multicast(struct work_struct *work)
 			else
 				kfree_skb(skb);
 		}
-		if (dev)
-			dev_put(dev);
+		dev_put(dev);
 		cond_resched();
 	}
 }
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 1d2f4e7d7324..e90518952db9 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -100,8 +100,7 @@ static void ipvlan_port_destroy(struct net_device *dev)
 	netdev_rx_handler_unregister(dev);
 	cancel_work_sync(&port->wq);
 	while ((skb = __skb_dequeue(&port->backlog)) != NULL) {
-		if (skb->dev)
-			dev_put(skb->dev);
+		dev_put(skb->dev);
 		kfree_skb(skb);
 	}
 	ida_destroy(&port->ida);
-- 
2.25.1