[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

[mirror_ubuntu-artful-kernel.git] / drivers / net / irda / w83977af_ir.c

diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index b69776e0095151f7ffb0f87828620ec488310088..0d4a68618fc19e74a187c422bd466d804d96be2a 100644 (file)
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -116,7 +116,7 @@ static int __init w83977af_init(void)
 
        IRDA_DEBUG(0, "%s()\n", __FUNCTION__ );
 
-       for (i=0; (io[i] < 2000) && (i < 4); i++) { 
+       for (i=0; (io[i] < 2000) && (i < ARRAY_SIZE(dev_self)); i++) {
                if (w83977af_open(i, io[i], irq[i], dma[i]) == 0)
                        return 0;
        }
@@ -135,7 +135,7 @@ static void __exit w83977af_cleanup(void)
 
         IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
 
-       for (i=0; i < 4; i++) {
+       for (i=0; i < ARRAY_SIZE(dev_self); i++) {
                if (dev_self[i])
                        w83977af_close(dev_self[i]);
        }
@@ -529,7 +529,7 @@ int w83977af_hard_xmit(struct sk_buff *skb, struct net_device *dev)
        /* Decide if we should use PIO or DMA transfer */
        if (self->io.speed > PIO_MAX_SPEED) {
                self->tx_buff.data = self->tx_buff.head;
-               memcpy(self->tx_buff.data, skb->data, skb->len);
+               skb_copy_from_linear_data(skb, self->tx_buff.data, skb->len);
                self->tx_buff.len = skb->len;
                
                mtt = irda_get_mtt(skb);
@@ -919,7 +919,7 @@ int w83977af_dma_receive_complete(struct w83977af_ir *self)
                        self->stats.rx_packets++;
                        
                        skb->dev = self->netdev;
-                       skb->mac.raw  = skb->data;
+                       skb_reset_mac_header(skb);
                        skb->protocol = htons(ETH_P_IRDA);
                        netif_rx(skb);
                        self->netdev->last_rx = jiffies;
@@ -1111,20 +1111,14 @@ static __u8 w83977af_fir_interrupt(struct w83977af_ir *self, int isr)
  *    An interrupt from the chip has arrived. Time to do some work
  *
  */
-static irqreturn_t w83977af_interrupt(int irq, void *dev_id,
-                                       struct pt_regs *regs)
+static irqreturn_t w83977af_interrupt(int irq, void *dev_id)
 {
-       struct net_device *dev = (struct net_device *) dev_id;
+       struct net_device *dev = dev_id;
        struct w83977af_ir *self;
        __u8 set, icr, isr;
        int iobase;
 
-       if (!dev) {
-               printk(KERN_WARNING "%s: irq %d for unknown device.\n", 
-                       driver_name, irq);
-               return IRQ_NONE;
-       }
-       self = (struct w83977af_ir *) dev->priv;
+       self = dev->priv;
 
        iobase = self->io.fir_base;