linux-kernel - [PATCH] intel/i40e: delete if NULL check before dev_kfree

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Message-Id: <20220511065451.655335-1-zhaojunkui2008@126.com>
Date:   Tue, 10 May 2022 23:54:51 -0700
From:   Bernard Zhao <zhaojunkui2008@....com>
To:     Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     bernard@...o.com, Bernard Zhao <zhaojunkui2008@....com>
Subject: [PATCH] intel/i40e: delete if NULL check before dev_kfree_skb

dev_kfree_skb check if the input parameter NULL and do the right
thing, there is no need to check again.
This change is to cleanup the code a bit.

Signed-off-by: Bernard Zhao <zhaojunkui2008@....com>
---
 drivers/net/ethernet/intel/i40e/i40e_txrx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 0eae5858f2fe..98cfadfd0f35 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1482,10 +1482,8 @@ void i40e_clean_rx_ring(struct i40e_ring *rx_ring)
 	if (!rx_ring->rx_bi)
 		return;
 
-	if (rx_ring->skb) {
-		dev_kfree_skb(rx_ring->skb);
-		rx_ring->skb = NULL;
-	}
+	dev_kfree_skb(rx_ring->skb);
+	rx_ring->skb = NULL;
 
 	if (rx_ring->xsk_pool) {
 		i40e_xsk_clean_rx_ring(rx_ring);
-- 
2.33.1