mirror of
https://github.com/hak5/wifipineapple-openwrt.git
synced 2025-10-29 16:57:19 +00:00
[mcs814x] nuport-mac: check dma_map_single address return values
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33067 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
@@ -256,6 +256,8 @@ 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)
|
||||
return -ENOMEM;
|
||||
|
||||
/* enable enhanced mode */
|
||||
nuport_mac_writel(TX_DMA_ENH_ENABLE, TX_DMA_ENH);
|
||||
@@ -297,6 +299,8 @@ 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)
|
||||
return -ENOMEM;
|
||||
|
||||
nuport_mac_writel(priv->rx_addr, RX_BUFFER_ADDR);
|
||||
wmb();
|
||||
|
||||
Reference in New Issue
Block a user