diff options
Diffstat (limited to 'target/linux/ipq806x')
-rw-r--r-- | target/linux/ipq806x/patches-5.4/701-stmmac-fix-notifier-registration.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/target/linux/ipq806x/patches-5.4/701-stmmac-fix-notifier-registration.patch b/target/linux/ipq806x/patches-5.4/701-stmmac-fix-notifier-registration.patch deleted file mode 100644 index 2c25ad33e8..0000000000 --- a/target/linux/ipq806x/patches-5.4/701-stmmac-fix-notifier-registration.patch +++ /dev/null @@ -1,79 +0,0 @@ -From 474a31e13a4e9749fb3ee55794d69d0f17ee0998 Mon Sep 17 00:00:00 2001 -From: Aaro Koskinen <aaro.koskinen@nokia.com> -Date: Wed, 26 Feb 2020 18:49:01 +0200 -Subject: net: stmmac: fix notifier registration - -We cannot register the same netdev notifier multiple times when probing -stmmac devices. Register the notifier only once in module init, and also -make debugfs creation/deletion safe against simultaneous notifier call. - -Fixes: 481a7d154cbb ("stmmac: debugfs entry name is not be changed when udev rename device name.") -Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 13 ++++++++----- - 1 file changed, 8 insertions(+), 5 deletions(-) - -(limited to 'drivers/net/ethernet/stmicro/stmmac') - ---- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c -+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c -@@ -4208,6 +4208,8 @@ static void stmmac_init_fs(struct net_de - { - struct stmmac_priv *priv = netdev_priv(dev); - -+ rtnl_lock(); -+ - /* Create per netdev entries */ - priv->dbgfs_dir = debugfs_create_dir(dev->name, stmmac_fs_dir); - -@@ -4219,14 +4221,13 @@ static void stmmac_init_fs(struct net_de - debugfs_create_file("dma_cap", 0444, priv->dbgfs_dir, dev, - &stmmac_dma_cap_fops); - -- register_netdevice_notifier(&stmmac_notifier); -+ rtnl_unlock(); - } - - static void stmmac_exit_fs(struct net_device *dev) - { - struct stmmac_priv *priv = netdev_priv(dev); - -- unregister_netdevice_notifier(&stmmac_notifier); - debugfs_remove_recursive(priv->dbgfs_dir); - } - #endif /* CONFIG_DEBUG_FS */ -@@ -4728,14 +4729,14 @@ int stmmac_dvr_remove(struct device *dev - - netdev_info(priv->dev, "%s: removing driver", __func__); - --#ifdef CONFIG_DEBUG_FS -- stmmac_exit_fs(ndev); --#endif - stmmac_stop_all_dma(priv); - - stmmac_mac_set(priv, priv->ioaddr, false); - netif_carrier_off(ndev); - unregister_netdev(ndev); -+#ifdef CONFIG_DEBUG_FS -+ stmmac_exit_fs(ndev); -+#endif - phylink_destroy(priv->phylink); - if (priv->plat->stmmac_rst) - reset_control_assert(priv->plat->stmmac_rst); -@@ -4955,6 +4956,7 @@ static int __init stmmac_init(void) - /* Create debugfs main directory if it doesn't exist yet */ - if (!stmmac_fs_dir) - stmmac_fs_dir = debugfs_create_dir(STMMAC_RESOURCE_NAME, NULL); -+ register_netdevice_notifier(&stmmac_notifier); - #endif - - return 0; -@@ -4963,6 +4965,7 @@ static int __init stmmac_init(void) - static void __exit stmmac_exit(void) - { - #ifdef CONFIG_DEBUG_FS -+ unregister_netdevice_notifier(&stmmac_notifier); - debugfs_remove_recursive(stmmac_fs_dir); - #endif - } |