[PATCH net-next 3/3] net: bcmasp: streamline early exit and fix leak
From: justin.chen@broadcom.com
Date: 2026-01-16 00:50:47
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Subsystem:
broadcom asp 2.0 ethernet driver, networking drivers, the rest · Maintainers:
Justin Chen, Florian Fainelli, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Justin Chen <justin.chen@broadcom.com> Fix an early exit cleanup leak by unregistering of_phy_fixed_link() Streamline the bcmasp_probe early exit. As support for other functionality is added(i.e. ptp), it is easier to keep track of early exit cleanup when it is all in one place. Signed-off-by: Justin Chen <justin.chen@broadcom.com> --- drivers/net/ethernet/broadcom/asp2/bcmasp.c | 27 ++++++++++--------- .../net/ethernet/broadcom/asp2/bcmasp_intf.c | 5 +++- 2 files changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
index 36df7d1a9be3..aa6d8606849f 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c@@ -1317,6 +1317,8 @@ static int bcmasp_probe(struct platform_device *pdev) bcmasp_core_init_filters(priv); + bcmasp_init_wol(priv); + ports_node = of_find_node_by_name(dev->of_node, "ethernet-ports"); if (!ports_node) { dev_warn(dev, "No ports found\n");
@@ -1328,16 +1330,14 @@ static int bcmasp_probe(struct platform_device *pdev) intf = bcmasp_interface_create(priv, intf_node, i); if (!intf) { dev_err(dev, "Cannot create eth interface %d\n", i); - bcmasp_remove_intfs(priv); - ret = -ENOMEM; - goto of_put_exit; + of_node_put(ports_node); + ret = -EINVAL; + goto err_cleanup; } list_add_tail(&intf->list, &priv->intfs); i++; } - - /* Check and enable WoL */ - bcmasp_init_wol(priv); + of_node_put(ports_node); /* Drop the clock reference count now and let ndo_open()/ndo_close() * manage it for us from now on.
@@ -1352,19 +1352,20 @@ static int bcmasp_probe(struct platform_device *pdev) list_for_each_entry(intf, &priv->intfs, list) { ret = register_netdev(intf->ndev); if (ret) { - netdev_err(intf->ndev, - "failed to register net_device: %d\n", ret); - bcmasp_wol_irq_destroy(priv); - bcmasp_remove_intfs(priv); - goto of_put_exit; + dev_err(dev, "failed to register net_device: %d\n", ret); + goto err_cleanup; } count++; } dev_info(dev, "Initialized %d port(s)\n", count); -of_put_exit: - of_node_put(ports_node); + return ret; + +err_cleanup: + bcmasp_wol_irq_destroy(priv); + bcmasp_remove_intfs(priv); + return ret; }
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
index 6cddd3280cb8..f3b8d94f4791 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c@@ -1228,7 +1228,7 @@ struct bcmasp_intf *bcmasp_interface_create(struct bcmasp_priv *priv, netdev_err(intf->ndev, "invalid PHY mode: %s for port %d\n", phy_modes(intf->phy_interface), intf->port); ret = -EINVAL; - goto err_free_netdev; + goto err_unregister_fixed_link; } ret = of_get_ethdev_address(ndev_dn, ndev);
@@ -1252,6 +1252,9 @@ struct bcmasp_intf *bcmasp_interface_create(struct bcmasp_priv *priv, return intf; +err_unregister_fixed_link: + if (of_phy_is_fixed_link(ndev_dn)) + of_phy_deregister_fixed_link(ndev_dn); err_free_netdev: free_netdev(ndev); err:
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2.34.1