2 files changed, 18 insertions, 9 deletions

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index f9a3c1a76d5d..f33b25fbca63 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2144,14 +2144,21 @@ static const struct net_device_ops bcm_sysport_netdev_ops = {
 	.ndo_select_queue	= bcm_sysport_select_queue,
 };
 
-static int bcm_sysport_map_queues(struct net_device *dev,
+static int bcm_sysport_map_queues(struct notifier_block *nb,
 				  struct dsa_notifier_register_info *info)
 {
-	struct bcm_sysport_priv *priv = netdev_priv(dev);
 	struct bcm_sysport_tx_ring *ring;
+	struct bcm_sysport_priv *priv;
 	struct net_device *slave_dev;
 	unsigned int num_tx_queues;
 	unsigned int q, start, port;
+	struct net_device *dev;
+
+	priv = container_of(nb, struct bcm_sysport_priv, dsa_notifier);
+	if (priv->netdev != info->master)
+		return 0;
+
+	dev = info->master;
 
 	/* We can't be setting up queue inspection for non directly attached
 	 * switches
@@ -2174,11 +2181,12 @@ static int bcm_sysport_map_queues(struct net_device *dev,
 	if (priv->is_lite)
 		netif_set_real_num_tx_queues(slave_dev,
 					     slave_dev->num_tx_queues / 2);
+
 	num_tx_queues = slave_dev->real_num_tx_queues;
 
 	if (priv->per_port_num_tx_queues &&
 	    priv->per_port_num_tx_queues != num_tx_queues)
-		netdev_warn(slave_dev, "asymetric number of per-port queues\n");
+		netdev_warn(slave_dev, "asymmetric number of per-port queues\n");
 
 	priv->per_port_num_tx_queues = num_tx_queues;
 
@@ -2201,7 +2209,7 @@ static int bcm_sysport_map_queues(struct net_device *dev,
 	return 0;
 }
 
-static int bcm_sysport_dsa_notifier(struct notifier_block *unused,
+static int bcm_sysport_dsa_notifier(struct notifier_block *nb,
 				    unsigned long event, void *ptr)
 {
 	struct dsa_notifier_register_info *info;
@@ -2211,7 +2219,7 @@ static int bcm_sysport_dsa_notifier(struct notifier_block *unused,
 
 	info = ptr;
 
-	return notifier_from_errno(bcm_sysport_map_queues(info->master, info));
+	return notifier_from_errno(bcm_sysport_map_queues(nb, info));
 }
 
 #define REV_FMT	"v%2x.%02x"
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 08bbb639be1a..9f59b1270a7c 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8733,14 +8733,15 @@ static void tg3_free_consistent(struct tg3 *tp)
 	tg3_mem_rx_release(tp);
 	tg3_mem_tx_release(tp);
 
-	/* Protect tg3_get_stats64() from reading freed tp->hw_stats. */
-	tg3_full_lock(tp, 0);
+	/* tp->hw_stats can be referenced safely:
+	 *     1. under rtnl_lock
+	 *     2. or under tp->lock if TG3_FLAG_INIT_COMPLETE is set.
+	 */
 	if (tp->hw_stats) {
 		dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats),
 				  tp->hw_stats, tp->stats_mapping);
 		tp->hw_stats = NULL;
 	}
-	tg3_full_unlock(tp);
 }
 
 /*
@@ -14178,7 +14179,7 @@ static void tg3_get_stats64(struct net_device *dev,
 	struct tg3 *tp = netdev_priv(dev);
 
 	spin_lock_bh(&tp->lock);
-	if (!tp->hw_stats) {
+	if (!tp->hw_stats || !tg3_flag(tp, INIT_COMPLETE)) {
 		*stats = tp->net_stats_prev;
 		spin_unlock_bh(&tp->lock);
 		return;