diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/mt7621-eth/mtk_eth_soc.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/staging/mt7621-eth/mtk_eth_soc.c b/drivers/staging/mt7621-eth/mtk_eth_soc.c index 2c7a2e666bfb..713507558568 100644 --- a/drivers/staging/mt7621-eth/mtk_eth_soc.c +++ b/drivers/staging/mt7621-eth/mtk_eth_soc.c @@ -1396,14 +1396,13 @@ static int mtk_qdma_tx_alloc_tx(struct mtk_eth *eth) if (!ring->tx_buf) goto no_tx_mem; - ring->tx_dma = dma_alloc_coherent(eth->dev, + ring->tx_dma = dma_zalloc_coherent(eth->dev, ring->tx_ring_size * sz, &ring->tx_phys, GFP_ATOMIC | __GFP_ZERO); if (!ring->tx_dma) goto no_tx_mem; - memset(ring->tx_dma, 0, ring->tx_ring_size * sz); for (i = 0; i < ring->tx_ring_size; i++) { int next = (i + 1) % ring->tx_ring_size; u32 next_ptr = ring->tx_phys + next * sz; @@ -1822,10 +1821,9 @@ static int __init mtk_init(struct net_device *dev) /* If the mac address is invalid, use random mac address */ if (!is_valid_ether_addr(dev->dev_addr)) { - random_ether_addr(dev->dev_addr); + eth_hw_addr_random(dev); dev_err(eth->dev, "generated random MAC address %pM\n", dev->dev_addr); - dev->addr_assign_type = NET_ADDR_RANDOM; } mac->hw->soc->set_mac(mac, dev->dev_addr); @@ -2012,8 +2010,10 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) mac->hw_stats = devm_kzalloc(eth->dev, sizeof(*mac->hw_stats), GFP_KERNEL); - if (!mac->hw_stats) - return -ENOMEM; + if (!mac->hw_stats) { + err = -ENOMEM; + goto free_netdev; + } spin_lock_init(&mac->hw_stats->stats_lock); mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; } @@ -2037,7 +2037,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) err = register_netdev(eth->netdev[id]); if (err) { dev_err(eth->dev, "error bringing up device\n"); - return err; + err = -ENOMEM; + goto free_netdev; } eth->netdev[id]->irq = eth->irq; netif_info(eth, probe, eth->netdev[id], @@ -2045,6 +2046,10 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) eth->netdev[id]->base_addr, eth->netdev[id]->irq); return 0; + +free_netdev: + free_netdev(eth->netdev[id]); + return err; } static int mtk_probe(struct platform_device *pdev) |