netdev - [PATCH] net: xscale: Fix return type for implementation of

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Message-ID: <20220902080058.54876-1-guozihua@huawei.com>
Date:   Fri, 2 Sep 2022 16:00:58 +0800
From:   GUO Zihua <guozihua@...wei.com>
To:     <netdev@...r.kernel.org>
CC:     <khalasa@...p.pl>
Subject: [PATCH] net: xscale: Fix return type for implementation of

Since Linux now supports CFI, it will be a good idea to fix mismatched
return type for implementation of hooks. Otherwise this might get
cought out by CFI and cause a panic.

eth_xmit() would return either NETDEV_TX_BUSY or NETDEV_TX_OK, so
change the return type to netdev_tx_t directly.

Signed-off-by: GUO Zihua <guozihua@...wei.com>
---
 drivers/net/ethernet/xscale/ixp4xx_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 3591b9edc9a1..3b05287b6889 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -841,7 +841,7 @@ static void eth_txdone_irq(void *unused)
 	}
 }
 
-static int eth_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t eth_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct port *port = netdev_priv(dev);
 	unsigned int txreadyq = port->plat->txreadyq;
-- 
2.17.1