[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

[net-next-2.6.git] / drivers / net / irda / ali-ircc.c

diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index e3c8cd5eca676c8b126b5624607ea8577c12c702..fb2248a255166d8f15a535349d6c4b441572eddc 100644 (file)
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -249,7 +249,7 @@ static void __exit ali_ircc_cleanup(void)
 
        IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); 
 
-       for (i=0; i < 4; i++) {
+       for (i=0; i < ARRAY_SIZE(dev_self); i++) {
                if (dev_self[i])
                        ali_ircc_close(dev_self[i]);
        }
@@ -273,6 +273,12 @@ static int ali_ircc_open(int i, chipio_t *info)
        int err;
                        
        IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); 
+
+       if (i >= ARRAY_SIZE(dev_self)) {
+               IRDA_ERROR("%s(), maximum number of supported chips reached!\n",
+                          __FUNCTION__);
+               return -ENOMEM;
+       }
        
        /* Set FIR FIFO and DMA Threshold */
        if ((ali_ircc_setup(info)) == -1)
@@ -654,22 +660,15 @@ static int ali_ircc_read_dongle_id (int i, chipio_t *info)
  *    An interrupt from the chip has arrived. Time to do some work
  *
  */
-static irqreturn_t ali_ircc_interrupt(int irq, void *dev_id,
-                                       struct pt_regs *regs)
+static irqreturn_t ali_ircc_interrupt(int irq, void *dev_id)
 {
-       struct net_device *dev = (struct net_device *) dev_id;
+       struct net_device *dev = dev_id;
        struct ali_ircc_cb *self;
        int ret;
                
        IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__);
                
-       if (!dev) {
-               IRDA_WARNING("%s: irq %d for unknown device.\n",
-                            ALI_IRCC_DRIVER_NAME, irq);
-               return IRQ_NONE;
-       }       
-       
-       self = (struct ali_ircc_cb *) dev->priv;
+       self = dev->priv;
        
        spin_lock(&self->lock);
        
@@ -1473,9 +1472,8 @@ static int ali_ircc_fir_hard_xmit(struct sk_buff *skb, struct net_device *dev)
 
        self->stats.tx_bytes += skb->len;
 
-       memcpy(self->tx_fifo.queue[self->tx_fifo.free].start, skb->data, 
-              skb->len);
-       
+       skb_copy_from_linear_data(skb, self->tx_fifo.queue[self->tx_fifo.free].start,
+                     skb->len);
        self->tx_fifo.len++;
        self->tx_fifo.free++;
 
@@ -1933,7 +1931,7 @@ static int  ali_ircc_dma_receive_complete(struct ali_ircc_cb *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;