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| author | Florian Fainelli <florian@openwrt.org> | 2012-08-09 09:06:35 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2012-08-09 09:06:35 +0000 |
| commit | 47380a4388c18e700f45a03131020a0eabefdba0 (patch) | |
| tree | 443f78ad3d5195e0b240806f1b5c45933af2978f /target | |
| parent | 7f9bfa3fcd05aa1ee864ba07b8f74bd6cd6de025 (diff) | |
| download | mtk-20170518-47380a4388c18e700f45a03131020a0eabefdba0.zip mtk-20170518-47380a4388c18e700f45a03131020a0eabefdba0.tar.gz mtk-20170518-47380a4388c18e700f45a03131020a0eabefdba0.tar.bz2 | |
nuport-mac: use dma_mapping_error() instead of checking pointers
Thanks Gabor for spotting this
SVN-Revision: 33071
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c index 833e6fa..a2f7ee2 100644 --- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c +++ b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c @@ -256,7 +256,7 @@ static int nuport_mac_start_tx_dma(struct nuport_mac_priv *priv, priv->tx_addr = dma_map_single(&priv->pdev->dev, skb->data, skb->len, DMA_TO_DEVICE); - if (!priv->tx_addr) + if (dma_mapping_error(&priv->pdev->dev, priv->tx_addr)) return -ENOMEM; /* enable enhanced mode */ @@ -299,7 +299,7 @@ static int nuport_mac_start_rx_dma(struct nuport_mac_priv *priv, priv->rx_addr = dma_map_single(&priv->pdev->dev, skb->data, RX_ALLOC_SIZE, DMA_FROM_DEVICE); - if (!priv->rx_addr) + if (dma_mapping_error(&priv->pdev->dev, priv->rx_addr)) return -ENOMEM; nuport_mac_writel(priv->rx_addr, RX_BUFFER_ADDR); |