linux-kernel - [PATCH AUTOSEL 6.0 28/77] net: broadcom: Fix return type for implementation of

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Message-Id: <20221009220754.1214186-28-sashal@kernel.org>
Date:   Sun,  9 Oct 2022 18:07:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     GUO Zihua <guozihua@...wei.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>, rafal@...ecki.pl,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 6.0 28/77] net: broadcom: Fix return type for implementation of

From: GUO Zihua <guozihua@...wei.com>

[ Upstream commit 12f7bd252221d4f9e000e20530e50129241e3a67 ]

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.

bcm4908_enet_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>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Link: https://lore.kernel.org/r/20220902075407.52358-1-guozihua@huawei.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index c131d8118489..e5e17a182f9d 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -507,7 +507,7 @@ static int bcm4908_enet_stop(struct net_device *netdev)
 	return 0;
 }
 
-static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct bcm4908_enet *enet = netdev_priv(netdev);
 	struct bcm4908_enet_dma_ring *ring = &enet->tx_ring;
-- 
2.35.1