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@vger.kernel.org
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index b1f84b37032a7833d7e4f3d045e8755ace6f79d3..5452b7dc6e6ae2b494a551ccf8383faf4e323d2b 100644 (file)
--- 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);