The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 2dbe5f19368caae63b1f59f5bc2af78c7d522b3a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024051321-oval-cruelness-c028@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: 2dbe5f19368c ("net: bcmgenet: synchronize use of bcmgenet_set_rx_mode()") 1a1d5106c1e3 ("net: bcmgenet: move clk_wol management to bcmgenet_wol") 6f7689057a0f ("net: bcmgenet: Fix WoL with password after deep sleep") 72f96347628e ("net: bcmgenet: set Rx mode before starting netif") 99d55638d4b0 ("net: bcmgenet: enable NETIF_F_HIGHDMA flag") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 2dbe5f19368caae63b1f59f5bc2af78c7d522b3a Mon Sep 17 00:00:00 2001 From: Doug Berger <opendmb@xxxxxxxxx> Date: Thu, 25 Apr 2024 15:27:20 -0700 Subject: [PATCH] net: bcmgenet: synchronize use of bcmgenet_set_rx_mode() The ndo_set_rx_mode function is synchronized with the netif_addr_lock spinlock and BHs disabled. Since this function is also invoked directly from the driver the same synchronization should be applied. Fixes: 72f96347628e ("net: bcmgenet: set Rx mode before starting netif") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Doug Berger <opendmb@xxxxxxxxx> Acked-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index b1f84b37032a..5452b7dc6e6a 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2,7 +2,7 @@ /* * Broadcom GENET (Gigabit Ethernet) controller driver * - * Copyright (c) 2014-2020 Broadcom + * Copyright (c) 2014-2024 Broadcom */ #define pr_fmt(fmt) "bcmgenet: " fmt @@ -3334,7 +3334,9 @@ static void bcmgenet_netif_start(struct net_device *dev) struct bcmgenet_priv *priv = netdev_priv(dev); /* Start the network engine */ + netif_addr_lock_bh(dev); bcmgenet_set_rx_mode(dev); + netif_addr_unlock_bh(dev); bcmgenet_enable_rx_napi(priv); umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, true);
