diff options
author | Yang Yingliang <yangyingliang@huawei.com> | 2022-10-19 09:41:04 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-03 17:57:51 +0300 |
commit | 62f0a08e82a6312efd7df7f595c0b11d4ffde610 (patch) | |
tree | 7c2636fd3a2d553727dc1971a2c46ff84a37c761 | |
parent | 32a3d4660b34ce49ac0162338ebe362098e2f5df (diff) | |
download | linux-62f0a08e82a6312efd7df7f595c0b11d4ffde610.tar.xz |
net: netsec: fix error handling in netsec_register_mdio()
[ Upstream commit 94423589689124e8cd145b38a1034be7f25835b2 ]
If phy_device_register() fails, phy_device_free() need be called to
put refcount, so memory of phy device and device name can be freed
in callback function.
If get_phy_device() fails, mdiobus_unregister() need be called,
or it will cause warning in mdiobus_free() and kobject is leaked.
Fixes: 533dd11a12f6 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221019064104.3228892-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | drivers/net/ethernet/socionext/netsec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index ef3634d1b9f7..b9acee214bb6 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -1958,11 +1958,13 @@ static int netsec_register_mdio(struct netsec_priv *priv, u32 phy_addr) ret = PTR_ERR(priv->phydev); dev_err(priv->dev, "get_phy_device err(%d)\n", ret); priv->phydev = NULL; + mdiobus_unregister(bus); return -ENODEV; } ret = phy_device_register(priv->phydev); if (ret) { + phy_device_free(priv->phydev); mdiobus_unregister(bus); dev_err(priv->dev, "phy_device_register err(%d)\n", ret); |