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[4.19,240/346] net: korina: fix return value

Message ID 20201228124931.367303107@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Dec. 28, 2020, 12:49 p.m. UTC 
From: Vincent Stehlé <vincent.stehle@laposte.net>

[ Upstream commit 7eb000bdbe7c7da811ef51942b356f6e819b13ba ]

The ndo_start_xmit() method must not attempt to free the skb to transmit
when returning NETDEV_TX_BUSY. Therefore, make sure the
korina_send_packet() function returns NETDEV_TX_OK when it frees a packet.

Fixes: ef11291bcd5f ("Add support the Korina (IDT RC32434) Ethernet MAC")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201214220952.19935-1-vincent.stehle@laposte.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/korina.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index 993f495e2bf7b..9f804e2aba359 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -219,7 +219,7 @@  static int korina_send_packet(struct sk_buff *skb, struct net_device *dev)
 			dev_kfree_skb_any(skb);
 			spin_unlock_irqrestore(&lp->lock, flags);
 
-			return NETDEV_TX_BUSY;
+			return NETDEV_TX_OK;
 		}
 	}