From 223153ea6c79a0d78dc2a04e3300de1deb336f14 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Wed, 18 May 2022 10:08:12 +0800 Subject: [PATCH] net: ethernet: sunplus: add missing of_node_put() in spl2sw_mdio_init() of_get_child_by_name() returns device node pointer with refcount incremented. The refcount should be decremented before returning from spl2sw_mdio_init(). Fixes: fd3040b9394c ("net: ethernet: Add driver for Sunplus SP7021") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Reviewed-by: Wells Lu Signed-off-by: David S. Miller --- drivers/net/ethernet/sunplus/spl2sw_mdio.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/sunplus/spl2sw_mdio.c b/drivers/net/ethernet/sunplus/spl2sw_mdio.c index 139ac8f2685e..733ae1704269 100644 --- a/drivers/net/ethernet/sunplus/spl2sw_mdio.c +++ b/drivers/net/ethernet/sunplus/spl2sw_mdio.c @@ -97,8 +97,10 @@ u32 spl2sw_mdio_init(struct spl2sw_common *comm) /* Allocate and register mdio bus. */ mii_bus = devm_mdiobus_alloc(&comm->pdev->dev); - if (!mii_bus) - return -ENOMEM; + if (!mii_bus) { + ret = -ENOMEM; + goto out; + } mii_bus->name = "sunplus_mii_bus"; mii_bus->parent = &comm->pdev->dev; @@ -110,10 +112,13 @@ u32 spl2sw_mdio_init(struct spl2sw_common *comm) ret = of_mdiobus_register(mii_bus, mdio_np); if (ret) { dev_err(&comm->pdev->dev, "Failed to register mdiobus!\n"); - return ret; + goto out; } comm->mii_bus = mii_bus; + +out: + of_node_put(mdio_np); return ret; } -- GitLab