From: David Yang <mmyangfl@gmail.com>
To: netdev@vger.kernel.org
Cc: David Yang <mmyangfl@gmail.com>,
MD Danish Anwar <danishanwar@ti.com>,
Parvathi Pudi <parvathi@couthit.com>,
Roger Quadros <rogerq@kernel.org>,
Mohan Reddy Putluru <pmohan@couthit.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@kernel.org>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Jacob Keller <jacob.e.keller@intel.com>,
Stanislav Fomichev <sdf@fomichev.me>,
Nicolai Buchwitz <nb@tipi-net.de>,
Maxime Chevallier <maxime.chevallier@bootlin.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH net 09/10] net: ti: icssm-prueth: Move setting of netops to fix crash
Date: Thu, 8 Oct 2026 10:26:51 +0800 [thread overview]
Message-ID: <20261008022656.3592191-10-mmyangfl@gmail.com> (raw)
In-Reply-To: <20261008022656.3592191-1-mmyangfl@gmail.com>
icssm_prueth_netdev_init() calls of_phy_get_and_connect() before
ndev->netdev_ops is assigned. phy_attach_direct() ->
phy_link_topo_add_phy() reads dev->netdev_ops through
netdev_need_ops_lock() since the commit in question, so probing crashes
with a NULL pointer dereference when CONFIG_NET_SHAPER is enabled.
Assign netdev_ops before the PHY attach, as was done for emac in commit
7c9f391ec89c ("net: emac: move setting of netops to fix crash").
Fixes: ded86da4bbb7 ("net: ethtool: relax ethnl_req_get_phydev() locking assertion")
Signed-off-by: David Yang <mmyangfl@gmail.com>
---
drivers/net/ethernet/ti/icssm/icssm_prueth.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/ti/icssm/icssm_prueth.c b/drivers/net/ethernet/ti/icssm/icssm_prueth.c
index b7e94244355a..b42c98e861e0 100644
--- a/drivers/net/ethernet/ti/icssm/icssm_prueth.c
+++ b/drivers/net/ethernet/ti/icssm/icssm_prueth.c
@@ -1563,6 +1563,8 @@ static int icssm_prueth_netdev_init(struct prueth *prueth,
}
ether_addr_copy(emac->mac_addr, ndev->dev_addr);
+ ndev->netdev_ops = &emac_netdev_ops;
+
/* connect PHY */
emac->phydev = of_phy_get_and_connect(ndev, eth_node,
icssm_emac_adjust_link);
@@ -1590,7 +1592,6 @@ static int icssm_prueth_netdev_init(struct prueth *prueth,
}
ndev->dev.of_node = eth_node;
- ndev->netdev_ops = &emac_netdev_ops;
netif_napi_add(ndev, &emac->napi, icssm_emac_napi_poll);
--
2.53.0
next prev parent reply other threads:[~2026-10-08 2:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 2:26 [PATCH net 00/10] net: " David Yang
2026-10-08 2:26 ` [PATCH net 01/10] net: hisilicon: hisi_femac: " David Yang
2026-10-08 11:51 ` Jijie Shao
2026-10-08 2:26 ` [PATCH net 02/10] net: hisilicon: hip04_eth: " David Yang
2026-10-08 8:30 ` Maxime Chevallier
2026-10-08 2:26 ` [PATCH net 03/10] net: ethernet: actions: " David Yang
2026-10-08 2:26 ` [PATCH net 04/10] net: ethernet: adi: " David Yang
2026-10-08 2:26 ` [PATCH net 05/10] net: mv643xx: move " David Yang
2026-10-08 2:26 ` [PATCH net 06/10] net: au1000: " David Yang
2026-10-08 8:31 ` Maxime Chevallier
2026-10-08 2:26 ` [PATCH net 07/10] net: ethoc: " David Yang
2026-10-08 2:26 ` [PATCH net 08/10] net: ethernet: aeroflex: " David Yang
2026-10-08 2:26 ` David Yang [this message]
2026-10-08 2:26 ` [PATCH net 10/10] microchip: lan865x: " David Yang
2026-10-08 8:32 ` Maxime Chevallier
2026-10-08 12:10 ` [PATCH net 00/10] net: Move " Jijie Shao
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