netdev - [RESEND PATCH] net: sunplus: Fix return type for implementation of ndo_start

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Message-ID: <20220902081550.60095-1-guozihua@huawei.com>
Date:   Fri, 2 Sep 2022 16:15:50 +0800
From:   GUO Zihua <guozihua@...wei.com>
To:     <netdev@...r.kernel.org>
CC:     <wellslutw@...il.com>
Subject: [RESEND PATCH] net: sunplus: Fix return type for implementation of ndo_start_xmit

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.

spl2sw_ethernet_start_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/sunplus/spl2sw_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sunplus/spl2sw_driver.c b/drivers/net/ethernet/sunplus/spl2sw_driver.c
index 546206640492..38e478aa415c 100644
--- a/drivers/net/ethernet/sunplus/spl2sw_driver.c
+++ b/drivers/net/ethernet/sunplus/spl2sw_driver.c
@@ -62,7 +62,8 @@ static int spl2sw_ethernet_stop(struct net_device *ndev)
 	return 0;
 }
 
-static int spl2sw_ethernet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t spl2sw_ethernet_start_xmit(struct sk_buff *skb,
+					      struct net_device *ndev)
 {
 	struct spl2sw_mac *mac = netdev_priv(ndev);
 	struct spl2sw_common *comm = mac->comm;
-- 
2.17.1