diff options
Diffstat (limited to 'drivers/net/wireless/rtl818x/rtl8180')
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180/dev.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180/grf5101.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180/max2820.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180/rtl8225.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180/sa2400.c | 1 |
5 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index a91506b12a6..3867d1470b3 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -15,7 +15,6 @@ * published by the Free Software Foundation. */ -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/slab.h> @@ -108,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) struct rtl8180_priv *priv = dev->priv; unsigned int count = 32; u8 signal, agc, sq; + dma_addr_t mapping; while (count--) { struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; @@ -129,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) if (unlikely(!new_skb)) goto done; + mapping = pci_map_single(priv->pdev, + skb_tail_pointer(new_skb), + MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(new_skb); + dev_err(&priv->pdev->dev, "RX DMA map error\n"); + + goto done; + } + pci_unmap_single(priv->pdev, *((dma_addr_t *)skb->cb), MAX_RX_SIZE, PCI_DMA_FROMDEVICE); @@ -159,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; - *((dma_addr_t *) skb->cb) = - pci_map_single(priv->pdev, skb_tail_pointer(skb), - MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + *((dma_addr_t *) skb->cb) = mapping; } done: @@ -267,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev, mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(skb); + dev_err(&priv->pdev->dev, "TX DMA mapping error\n"); + return; + + } + tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS | RTL818X_TX_DESC_FLAG_LS | (ieee80211_get_tx_rate(dev, info)->hw_value << 24) | diff --git a/drivers/net/wireless/rtl818x/rtl8180/grf5101.c b/drivers/net/wireless/rtl818x/rtl8180/grf5101.c index dc845693f32..b1bfee73893 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/grf5101.c +++ b/drivers/net/wireless/rtl818x/rtl8180/grf5101.c @@ -19,7 +19,6 @@ * published by the Free Software Foundation. */ -#include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> #include <net/mac80211.h> diff --git a/drivers/net/wireless/rtl818x/rtl8180/max2820.c b/drivers/net/wireless/rtl818x/rtl8180/max2820.c index a63c443c3c6..eebf2397652 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/max2820.c +++ b/drivers/net/wireless/rtl818x/rtl8180/max2820.c @@ -18,7 +18,6 @@ * published by the Free Software Foundation. */ -#include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> #include <net/mac80211.h> diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c index ee638d0749d..d60a5f39902 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c +++ b/drivers/net/wireless/rtl818x/rtl8180/rtl8225.c @@ -15,7 +15,6 @@ * published by the Free Software Foundation. */ -#include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> #include <net/mac80211.h> diff --git a/drivers/net/wireless/rtl818x/rtl8180/sa2400.c b/drivers/net/wireless/rtl818x/rtl8180/sa2400.c index 7614d9ccc72..959b049827d 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/sa2400.c +++ b/drivers/net/wireless/rtl818x/rtl8180/sa2400.c @@ -19,7 +19,6 @@ * published by the Free Software Foundation. */ -#include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> #include <net/mac80211.h> |