Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / net / hamradio / scc.c

diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 0e6844f..5927784 100644 (file)
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -7,7 +7,7 @@
  *            ------------------
  *
  * You can find a subset of the documentation in 
- * linux/Documentation/networking/z8530drv.txt.
+ * Documentation/networking/z8530drv.txt.
  */
 
 /*
@@ -173,6 +173,7 @@
 #include <linux/kernel.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/bitops.h>
 
 #include <net/ax25.h>
 
@@ -180,7 +181,6 @@
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
-#include <asm/bitops.h>
 
 #include "z8530.h"
 
@@ -237,7 +237,7 @@ static io_port Vector_Latch;
 
 /* These provide interrupt save 2-step access to the Z8530 registers */
 
-static spinlock_t iolock = SPIN_LOCK_UNLOCKED; /* Guards paired accesses */
+static DEFINE_SPINLOCK(iolock);        /* Guards paired accesses */
 
 static inline unsigned char InReg(io_port port, unsigned char reg)
 {
@@ -304,7 +304,7 @@ static inline void scc_discard_buffers(struct scc_channel *scc)
                scc->tx_buff = NULL;
        }
        
-       while (skb_queue_len(&scc->tx_queue))
+       while (!skb_queue_empty(&scc->tx_queue))
                dev_kfree_skb(skb_dequeue(&scc->tx_queue));
 
        spin_unlock_irqrestore(&scc->lock, flags);
@@ -1126,8 +1126,7 @@ static void t_dwait(unsigned long channel)
        
        if (scc->stat.tx_state == TXS_WAIT)     /* maxkeyup or idle timeout */
        {
-               if (skb_queue_len(&scc->tx_queue) == 0) /* nothing to send */
-               {
+               if (skb_queue_empty(&scc->tx_queue)) {  /* nothing to send */
                        scc->stat.tx_state = TXS_IDLE;
                        netif_wake_queue(scc->dev);     /* t_maxkeyup locked it. */
                        return;
@@ -1551,14 +1550,13 @@ static unsigned char ax25_nocall[AX25_ADDR_LEN] =
 
 static void scc_net_setup(struct net_device *dev)
 {
-       SET_MODULE_OWNER(dev);
        dev->tx_queue_len    = 16;      /* should be enough... */
 
        dev->open            = scc_net_open;
        dev->stop            = scc_net_close;
 
        dev->hard_start_xmit = scc_net_tx;
-       dev->hard_header     = ax25_encapsulate;
+       dev->hard_header     = ax25_hard_header;
        dev->rebuild_header  = ax25_rebuild_header;
        dev->set_mac_address = scc_net_set_mac_address;
        dev->get_stats       = scc_net_get_stats;
@@ -1630,10 +1628,7 @@ static void scc_net_rx(struct scc_channel *scc, struct sk_buff *skb)
        scc->dev_stat.rx_packets++;
        scc->dev_stat.rx_bytes += skb->len;
 
-       skb->dev      = scc->dev;
-       skb->protocol = htons(ETH_P_AX25);
-       skb->mac.raw  = skb->data;
-       skb->pkt_type = PACKET_HOST;
+       skb->protocol = ax25_type_trans(skb, scc->dev);
        
        netif_rx(skb);
        scc->dev->last_rx = jiffies;
@@ -1714,13 +1709,11 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
        struct scc_mem_config memcfg;
        struct scc_hw_config hwcfg;
        struct scc_calibrate cal;
-       struct scc_channel *scc;
+       struct scc_channel *scc = (struct scc_channel *) dev->priv;
        int chan;
        unsigned char device_name[IFNAMSIZ];
-       void *arg;
+       void __user *arg = ifr->ifr_data;
        
-       scc = (struct scc_channel *) dev->priv;
-       arg = (void *) ifr->ifr_data;
        
        if (!Driver_Initialized)
        {