diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0297-staging-fsl_ppfe-eth-unregister-netdev-after-pfe_phy.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0297-staging-fsl_ppfe-eth-unregister-netdev-after-pfe_phy.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0297-staging-fsl_ppfe-eth-unregister-netdev-after-pfe_phy.patch b/target/linux/layerscape/patches-5.4/701-net-0297-staging-fsl_ppfe-eth-unregister-netdev-after-pfe_phy.patch new file mode 100644 index 0000000000..0731329384 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0297-staging-fsl_ppfe-eth-unregister-netdev-after-pfe_phy.patch @@ -0,0 +1,44 @@ +From 4ebb4e490dd924d1a8ca7fe693a0dd1cfa150687 Mon Sep 17 00:00:00 2001 +From: Calvin Johnson <calvin.johnson@nxp.com> +Date: Mon, 30 Apr 2018 11:40:01 +0530 +Subject: [PATCH] staging: fsl_ppfe/eth: unregister netdev after pfe_phy_exit + +rmmod pfe.ko throws below warning: + +kernfs: can not remove 'phydev', no directory +------------[ cut here ]------------ +WARNING: CPU: 0 PID: 2230 at fs/kernfs/dir.c:1481 +kernfs_remove_by_name_ns+0x90/0xa0 + +This is caused when the unregistered netdev structure is accessed to +disconnect phy. + +Resolve the issue by unregistering netdev after disconnecting phy. + +Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com> +--- + drivers/staging/fsl_ppfe/pfe_eth.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/drivers/staging/fsl_ppfe/pfe_eth.c ++++ b/drivers/staging/fsl_ppfe/pfe_eth.c +@@ -2464,15 +2464,15 @@ static void pfe_eth_exit_one(struct pfe_ + { + netif_info(priv, probe, priv->ndev, "%s\n", __func__); + +- if (!us) { ++ if (!us) + pfe_eth_sysfs_exit(priv->ndev); + +- unregister_netdev(priv->ndev); +- } +- + if (!(priv->einfo->phy_flags & GEMAC_NO_PHY)) + pfe_phy_exit(priv->ndev); + ++ if (!us) ++ unregister_netdev(priv->ndev); ++ + if (priv->mii_bus) + pfe_eth_mdio_exit(priv->mii_bus); + |