linux-kernel - [PATCH] net: korina: remove busy skb free

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Message-Id: <20201213172052.12433-1-vincent.stehle@laposte.net>
Date:   Sun, 13 Dec 2020 18:20:52 +0100
From:   Vincent Stehlé <vincent.stehle@...oste.net>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Vincent Stehlé <vincent.stehle@...oste.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Florian Fainelli <florian.fainelli@...ecomint.eu>
Subject: [PATCH] net: korina: remove busy skb free

The ndo_start_xmit() method must not attempt to free the skb to transmit
when returning NETDEV_TX_BUSY. Fix the korina_send_packet() function
accordingly.

Fixes: ef11291bcd5f ("Add support the Korina (IDT RC32434) Ethernet MAC")
Signed-off-by: Vincent Stehlé <vincent.stehle@...oste.net>
Cc: David S. Miller <davem@...emloft.net>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Florian Fainelli <florian.fainelli@...ecomint.eu>
---
 drivers/net/ethernet/korina.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index bf48f0ded9c7d..9d84191de6824 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -216,7 +216,6 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev)
 			netif_stop_queue(dev);
 		else {
 			dev->stats.tx_dropped++;
-			dev_kfree_skb_any(skb);
 			spin_unlock_irqrestore(&lp->lock, flags);
 
 			return NETDEV_TX_BUSY;
-- 
2.29.2