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

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Date:   Fri, 2 Sep 2022 15:58:45 +0800
From:   GUO Zihua <guozihua@...wei.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>
Subject: [PATCH] net: lantiq_etop: 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.

ltq_etop_tx() 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/lantiq_etop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 7cedbe1fdfd7..59aab4086dcc 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -470,7 +470,7 @@ ltq_etop_stop(struct net_device *dev)
 	return 0;
 }
 
-static int
+static netdev_tx_t
 ltq_etop_tx(struct sk_buff *skb, struct net_device *dev)
 {
 	int queue = skb_get_queue_mapping(skb);
-- 
2.17.1