r8169: use netdev_alloc_skb

Use netdev_alloc_skb and remove the useless sk_buff * argument of
rtl8169_alloc_rx_skb.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 5ec7752..4586446 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1997,31 +1997,28 @@ static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
        rtl8169_mark_to_asic(desc, rx_buf_sz);
 }
 
-static int rtl8169_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff,
-                               struct RxDesc *desc, int rx_buf_sz,
-                               unsigned int align)
+static struct sk_buff *rtl8169_alloc_rx_skb(struct pci_dev *pdev,
+                                           struct net_device *dev,
+                                           struct RxDesc *desc, int rx_buf_sz,
+                                           unsigned int align)
 {
        struct sk_buff *skb;
        dma_addr_t mapping;
-       int ret = 0;
 
-       skb = dev_alloc_skb(rx_buf_sz + align);
+       skb = netdev_alloc_skb(dev, rx_buf_sz + align);
        if (!skb)
                goto err_out;
 
        skb_reserve(skb, (align - 1) & (unsigned long)skb->data);
-       *sk_buff = skb;
 
        mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
                                 PCI_DMA_FROMDEVICE);
 
        rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
-
 out:
-       return ret;
+       return skb;
 
 err_out:
-       ret = -ENOMEM;
        rtl8169_make_unusable_by_asic(desc);
        goto out;
 }
@@ -2044,15 +2041,19 @@ static u32 rtl8169_rx_fill(struct rtl8169_private *tp, struct net_device *dev,
        u32 cur;
 
        for (cur = start; end - cur > 0; cur++) {
-               int ret, i = cur % NUM_RX_DESC;
+               struct sk_buff *skb;
+               unsigned int i = cur % NUM_RX_DESC;
 
                if (tp->Rx_skbuff[i])
                        continue;
 
-               ret = rtl8169_alloc_rx_skb(tp->pci_dev, tp->Rx_skbuff + i,
-                       tp->RxDescArray + i, tp->rx_buf_sz, tp->align);
-               if (ret < 0)
+               skb = rtl8169_alloc_rx_skb(tp->pci_dev, dev,
+                                          tp->RxDescArray + i,
+                                          tp->rx_buf_sz, tp->align);
+               if (!skb)
                        break;
+
+               tp->Rx_skbuff[i] = skb;
        }
        return cur - start;
 }