net driver cleanup, volume 6

Affected drivers: atp, de600, de620, eepro, eexpress, lp486e, 
3c589_cs, axnet_cs, fmvj18x_cs, nmclan_cs, pcnet_cs, smc91c92_cs,
xirc2ps_cs, sk98lin, xircom_cb, xircom_tulip_cb, airo, arlan,
netwave_cs, orinoco, ray_cs, wavelan, znet

98% contributed by Andrew Morton

drivers/net/atp.c

@@ -203,7 +203,7 @@ static void hardware_init(struct net_device *dev);
 static void write_packet(long ioaddr, int length, unsigned char *packet, int pad, int mode);
 static void trigger_send(long ioaddr, int length);
 static int	atp_send_packet(struct sk_buff *skb, struct net_device *dev);
-static void atp_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t atp_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static void net_rx(struct net_device *dev);
 static void read_block(long ioaddr, int length, unsigned char *buffer, int data_mode);
 static int net_close(struct net_device *dev);
@@ -560,7 +560,7 @@ static int atp_send_packet(struct sk_buff *skb, struct net_device *dev)
 	struct net_local *lp = (struct net_local *)dev->priv;
 	long ioaddr = dev->base_addr;
 	int length;
-	long flags;
+	unsigned long flags;
 
 	length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
 
@@ -596,17 +596,19 @@ static int atp_send_packet(struct sk_buff *skb, struct net_device *dev)
 
 /* The typical workload of the driver:
    Handle the network interface interrupts. */
-static void atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
+static irqreturn_t
+atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
 {
 	struct net_device *dev = (struct net_device *)dev_instance;
 	struct net_local *lp;
 	long ioaddr;
 	static int num_tx_since_rx;
 	int boguscount = max_interrupt_work;
+	int handled = 0;
 
 	if (dev == NULL) {
 		printk(KERN_ERR "ATP_interrupt(): irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 	ioaddr = dev->base_addr;
 	lp = (struct net_local *)dev->priv;
@@ -626,6 +628,7 @@ static void atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
 		if (net_debug > 5) printk("loop status %02x..", status);
 
 		if (status & (ISR_RxOK<<3)) {
+			handled = 1;
 			write_reg(ioaddr, ISR, ISR_RxOK); /* Clear the Rx interrupt. */
 			do {
 				int read_status = read_nibble(ioaddr, CMR1);
@@ -648,6 +651,7 @@ static void atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
 					break;
 			} while (--boguscount > 0);
 		} else if (status & ((ISR_TxErr + ISR_TxOK)<<3)) {
+			handled = 1;
 			if (net_debug > 6)  printk("handling Tx done..");
 			/* Clear the Tx interrupt.  We should check for too many failures
 			   and reinitialize the adapter. */
@@ -712,7 +716,7 @@ static void atp_interrupt(int irq, void *dev_instance, struct pt_regs * regs)
 	spin_unlock(&lp->lock);
 
 	if (net_debug > 5) printk("exiting interrupt.\n");
-	return;
+	return IRQ_RETVAL(handled);
 }
 
 #ifdef TIMED_CHECKER

drivers/net/de600.c

@@ -258,7 +258,7 @@ static int de600_start_xmit(struct sk_buff *skb, struct net_device *dev)
  * Handle the network interface interrupts.
  */
 
-static void de600_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t de600_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 {
 	struct net_device	*dev = dev_id;
 	u8		irq_status;
@@ -268,7 +268,7 @@ static void de600_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 	/* This might just as well be deleted now, no crummy drivers present :-) */
 	if ((dev == NULL) || (DE600_IRQ != irq)) {
 		printk(KERN_ERR "%s: bogus interrupt %d\n", dev?dev->name:"DE-600", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	spin_lock(&de600_lock);
@@ -303,7 +303,7 @@ static void de600_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 	if (retrig)
 		trigger_interrupt(dev);
 	spin_unlock(&de600_lock);
-	return;
+	return IRQ_HANDLED;
 }
 
 static int de600_tx_intr(struct net_device *dev, int irq_status)

drivers/net/de600.h

@@ -125,7 +125,7 @@ static struct net_device_stats *get_stats(struct net_device *dev);
 static int	de600_start_xmit(struct sk_buff *skb, struct net_device *dev);
 
 /* Dispatch from interrupts. */
-static void	de600_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t de600_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static int	de600_tx_intr(struct net_device *dev, int irq_status);
 static void	de600_rx_intr(struct net_device *dev);
 

drivers/net/de620.c

@@ -221,7 +221,7 @@ static void	de620_set_multicast_list(struct net_device *);
 static int	de620_start_xmit(struct sk_buff *, struct net_device *);
 
 /* Dispatch from interrupts. */
-static void	de620_interrupt(int, void *, struct pt_regs *);
+static irqreturn_t de620_interrupt(int, void *, struct pt_regs *);
 static int	de620_rx_intr(struct net_device *);
 
 /* Initialization */
@@ -591,7 +591,8 @@ static int de620_start_xmit(struct sk_buff *skb, struct net_device *dev)
  * Handle the network interface interrupts.
  *
  */
-static void de620_interrupt(int irq_in, void *dev_id, struct pt_regs *regs)
+static irqreturn_t
+de620_interrupt(int irq_in, void *dev_id, struct pt_regs *regs)
 {
 	struct net_device *dev = dev_id;
 	byte irq_status;
@@ -617,6 +618,7 @@ static void de620_interrupt(int irq_in, void *dev_id, struct pt_regs *regs)
 		netif_wake_queue(dev);
 		
 	spin_unlock(&de620_lock);
+	return IRQ_HANDLED;
 }
 
 /**************************************

drivers/net/eepro.c

@@ -307,7 +307,7 @@ extern int eepro_probe(struct net_device *dev);
 static int	eepro_probe1(struct net_device *dev, short ioaddr);
 static int	eepro_open(struct net_device *dev);
 static int	eepro_send_packet(struct sk_buff *skb, struct net_device *dev);
-static void	eepro_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t eepro_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static void 	eepro_rx(struct net_device *dev);
 static void 	eepro_transmit_interrupt(struct net_device *dev);
 static int	eepro_close(struct net_device *dev);
@@ -1104,8 +1104,6 @@ static int eepro_open(struct net_device *dev)
 	/* enabling rx */
 	eepro_en_rx(ioaddr);
 
-	MOD_INC_USE_COUNT;
-
 	return 0;
 }
 
@@ -1178,17 +1176,18 @@ static int eepro_send_packet(struct sk_buff *skb, struct net_device *dev)
 /*	The typical workload of the driver:
 	Handle the network interface interrupts. */
 
-static void
+static irqreturn_t
 eepro_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 {
 	struct net_device *dev =  (struct net_device *)dev_id;
 	                      /* (struct net_device *)(irq2dev_map[irq]);*/
 	struct eepro_local *lp;
 	int ioaddr, status, boguscount = 20;
+	int handled = 0;
 
 	if (dev == NULL) {
                 printk (KERN_ERR "eepro_interrupt(): irq %d for unknown device.\\n", irq);
-                return;
+                return IRQ_NONE;
         }
 
 	lp = (struct eepro_local *)dev->priv;
@@ -1202,6 +1201,7 @@ eepro_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
 	while (((status = inb(ioaddr + STATUS_REG)) & (RX_INT|TX_INT)) && (boguscount--))
 	{
+		handled = 1;
 		if (status & RX_INT) {
 			if (net_debug > 4)
 				printk(KERN_DEBUG "%s: packet received interrupt.\n", dev->name);
@@ -1233,7 +1233,7 @@ eepro_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 		printk(KERN_DEBUG "%s: exiting eepro_interrupt routine.\n", dev->name);
 
 	spin_unlock(&lp->lock);
-	return;
+	return IRQ_RETVAL(handled);
 }
 
 static int eepro_close(struct net_device *dev)
@@ -1275,8 +1275,6 @@ static int eepro_close(struct net_device *dev)
 
 	/* Update the statistics here. What statistics? */
 
-	MOD_DEC_USE_COUNT;
-
 	return 0;
 }
 

drivers/net/eexpress.c

@@ -252,7 +252,7 @@ static void eexp_timeout(struct net_device *dev);
 static struct net_device_stats *eexp_stats(struct net_device *dev);
 static int eexp_xmit(struct sk_buff *buf, struct net_device *dev);
 
-static void eexp_irq(int irq, void *dev_addr, struct pt_regs *regs);
+static irqreturn_t eexp_irq(int irq, void *dev_addr, struct pt_regs *regs);
 static void eexp_set_multicast(struct net_device *dev);
 
 /*
@@ -761,7 +761,7 @@ static void eexp_cmd_clear(struct net_device *dev)
 	}
 }
 	
-static void eexp_irq(int irq, void *dev_info, struct pt_regs *regs)
+static irqreturn_t eexp_irq(int irq, void *dev_info, struct pt_regs *regs)
 {
 	struct net_device *dev = dev_info;
 	struct net_local *lp;
@@ -772,7 +772,7 @@ static void eexp_irq(int irq, void *dev_info, struct pt_regs *regs)
 	{
 		printk(KERN_WARNING "eexpress: irq %d for unknown device\n",
 		       irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	lp = (struct net_local *)dev->priv;
@@ -860,7 +860,7 @@ static void eexp_irq(int irq, void *dev_info, struct pt_regs *regs)
 	outw(old_write_ptr, ioaddr+WRITE_PTR);
 	
 	spin_unlock(&lp->lock);
-	return;
+	return IRQ_HANDLED;
 }
 
 /*

drivers/net/lp486e.c

@@ -377,7 +377,7 @@ static char init_setup[14] = {
 
 static int i596_open(struct net_device *dev);
 static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev);
-static void i596_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t i596_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static int i596_close(struct net_device *dev);
 static struct net_device_stats *i596_get_stats(struct net_device *dev);
 static void i596_add_cmd(struct net_device *dev, struct i596_cmd *cmd);
@@ -1160,7 +1160,7 @@ i596_handle_CU_completion(struct net_device *dev,
 	spin_unlock_irqrestore(&lp->cmd_lock, flags);
 }
 
-static void
+static irqreturn_t
 i596_interrupt (int irq, void *dev_instance, struct pt_regs *regs) {
 	struct net_device *dev = (struct net_device *) dev_instance;
 	struct i596_private *lp;
@@ -1229,7 +1229,7 @@ i596_interrupt (int irq, void *dev_instance, struct pt_regs *regs) {
 	CA();
 
  out:
-	return;
+	return IRQ_HANDLED;
 }
 
 static int i596_close(struct net_device *dev) {

drivers/net/pcmcia/3c589_cs.c

@@ -249,6 +249,7 @@ static dev_link_t *tc589_attach(void)
     link->conf.Present = PRESENT_OPTION;
     
     /* The EL3-specific entries in the device structure. */
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &el3_start_xmit;
     dev->set_config = &el3_config;
     dev->get_stats = &el3_get_stats;
@@ -740,7 +741,6 @@ static int el3_open(struct net_device *dev)
 	return -ENODEV;
 
     link->open++;
-    MOD_INC_USE_COUNT;
     netif_start_queue(dev);
     
     tc589_reset(dev);
@@ -1148,8 +1148,6 @@ static int el3_close(struct net_device *dev)
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
     
-    MOD_DEC_USE_COUNT;
-    
     return 0;
 }
 

drivers/net/pcmcia/axnet_cs.c

@@ -98,7 +98,7 @@ static int axnet_event(event_t event, int priority,
 static int axnet_open(struct net_device *dev);
 static int axnet_close(struct net_device *dev);
 static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static void ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs);
 static void ei_watchdog(u_long arg);
 static void axnet_reset_8390(struct net_device *dev);
 
@@ -122,7 +122,7 @@ static int axdev_init(struct net_device *dev);
 static void AX88190_init(struct net_device *dev, int startp);
 static int ax_open(struct net_device *dev);
 static int ax_close(struct net_device *dev);
-static void ax_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t ax_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 
 /*====================================================================*/
 
@@ -687,7 +687,6 @@ static int axnet_open(struct net_device *dev)
 	return -ENODEV;
 
     link->open++;
-    MOD_INC_USE_COUNT;
 
     request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, dev_info, dev);
 
@@ -719,8 +718,6 @@ static int axnet_close(struct net_device *dev)
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
 
-    MOD_DEC_USE_COUNT;
-
     return 0;
 } /* axnet_close */
 
@@ -757,11 +754,11 @@ static void axnet_reset_8390(struct net_device *dev)
 
 /*====================================================================*/
 
-static void ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs)
 {
     axnet_dev_t *info = dev_id;
     info->stale = 0;
-    ax_interrupt(irq, dev_id, regs);
+    return ax_interrupt(irq, dev_id, regs);
 }
 
 static void ei_watchdog(u_long arg)
@@ -1345,17 +1342,18 @@ static int ei_start_xmit(struct sk_buff *skb, struct net_device *dev)
  * needed.
  */
 
-static void ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 {
 	struct net_device *dev = dev_id;
 	long e8390_base;
 	int interrupts, nr_serviced = 0, i;
 	struct ei_device *ei_local;
-    
+    	int handled = 0;
+
 	if (dev == NULL) 
 	{
 		printk ("net_interrupt(): irq %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
     
 	e8390_base = dev->base_addr;
@@ -1378,7 +1376,7 @@ static void ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 			   inb_p(e8390_base + EN0_IMR));
 #endif
 		spin_unlock(&ei_local->page_lock);
-		return;
+		return IRQ_NONE;
 	}
     
 	if (ei_debug > 3)
@@ -1399,6 +1397,8 @@ static void ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 			interrupts = 0;
 			break;
 		}
+		handled = 1;
+
 		/* AX88190 bug fix. */
 		outb_p(interrupts, e8390_base + EN0_ISR);
 		for (i = 0; i < 10; i++) {
@@ -1430,6 +1430,7 @@ static void ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
     
 	if (interrupts && ei_debug) 
 	{
+		handled = 1;
 		if (nr_serviced >= MAX_SERVICE) 
 		{
 			/* 0xFF is valid for a card removal */
@@ -1448,7 +1449,7 @@ static void ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 	outb_p(ENISR_ALL, e8390_base + EN0_IMR);
 
 	spin_unlock(&ei_local->page_lock);
-	return;
+	return IRQ_RETVAL(handled);
 }
 
 /**
@@ -1842,6 +1843,8 @@ static int axdev_init(struct net_device *dev)
 	if (ei_debug > 1)
 		printk(version_8390);
     
+	SET_MODULE_OWNER(dev);
+
 	if (dev->priv == NULL) 
 	{
 		struct ei_device *ei_local;

drivers/net/pcmcia/fmvj18x_cs.c

@@ -314,6 +314,7 @@ static dev_link_t *fmvj18x_attach(void)
     link->conf.IntType = INT_MEMORY_AND_IO;
 
     /* The FMVJ18x specific entries in the device structure. */
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &fjn_start_xmit;
     dev->set_config = &fjn_config;
     dev->get_stats = &fjn_get_stats;
@@ -1287,8 +1288,6 @@ static int fjn_open(struct net_device *dev)
     lp->open_time = jiffies;
     netif_start_queue(dev);
     
-    MOD_INC_USE_COUNT;
-
     return 0;
 } /* fjn_open */
 
@@ -1323,7 +1322,6 @@ static int fjn_close(struct net_device *dev)
     link->open--;
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
-    MOD_DEC_USE_COUNT;
 
     return 0;
 } /* fjn_close */
@@ -1369,9 +1367,11 @@ static void set_rx_mode(struct net_device *dev)
 	
 	memset(mc_filter, 0, sizeof(mc_filter));
 	for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
-	     i++, mclist = mclist->next)
-	    set_bit(ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x3f,
-		    mc_filter);
+	     i++, mclist = mclist->next) {
+	    unsigned int bit =
+	    	ether_crc_le(ETH_ALEN, mclist->dmi_addr) & 0x3f;
+	    mc_filter[bit >> 3] |= (1 << bit);
+	}
     }
     
     save_flags(flags);

drivers/net/pcmcia/nmclan_cs.c

@@ -515,6 +515,7 @@ static dev_link_t *nmclan_attach(void)
 
     lp->tx_free_frames=AM2150_MAX_TX_FRAMES;
 
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &mace_start_xmit;
     dev->set_config = &mace_config;
     dev->get_stats = &mace_get_stats;
@@ -974,7 +975,6 @@ static int mace_open(struct net_device *dev)
     return -ENODEV;
 
   link->open++;
-  MOD_INC_USE_COUNT;
 
   MACEBANK(0);
 
@@ -1004,8 +1004,6 @@ static int mace_close(struct net_device *dev)
   if (link->state & DEV_STALE_CONFIG)
     mod_timer(&link->release, jiffies + HZ/20);
 
-  MOD_DEC_USE_COUNT;
-
   return 0;
 } /* mace_close */
 

drivers/net/pcmcia/pcnet_cs.c

@@ -315,6 +315,7 @@ static dev_link_t *pcnet_attach(void)
     link->conf.IntType = INT_MEMORY_AND_IO;
 
     ethdev_init(dev);
+    SET_MODULE_OWNER(dev);
     dev->init = &pcnet_init;
     dev->open = &pcnet_open;
     dev->stop = &pcnet_close;
@@ -1030,7 +1031,6 @@ static int pcnet_open(struct net_device *dev)
 	return -ENODEV;
 
     link->open++;
-    MOD_INC_USE_COUNT;
 
     set_misc_reg(dev);
     request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, dev_info, dev);
@@ -1064,8 +1064,6 @@ static int pcnet_close(struct net_device *dev)
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
 
-    MOD_DEC_USE_COUNT;
-
     return 0;
 } /* pcnet_close */
 

drivers/net/pcmcia/smc91c92_cs.c

@@ -376,6 +376,7 @@ static dev_link_t *smc91c92_attach(void)
     link->conf.IntType = INT_MEMORY_AND_IO;
 
     /* The SMC91c92-specific entries in the device structure. */
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &smc_start_xmit;
     dev->get_stats = &smc_get_stats;
     dev->set_config = &s9k_config;
@@ -1301,7 +1302,6 @@ static int smc_open(struct net_device *dev)
 	return -ENODEV;
     }
     link->open++;
-    MOD_INC_USE_COUNT;
 
     netif_start_queue(dev);
     smc->saved_skb = 0;
@@ -1347,8 +1347,6 @@ static int smc_close(struct net_device *dev)
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
 
-    MOD_DEC_USE_COUNT;
-
     return 0;
 } /* smc_close */
 

drivers/net/pcmcia/xirc2ps_cs.c

@@ -646,6 +646,7 @@ xirc2ps_attach(void)
     link->irq.Instance = dev;
 
     /* Fill in card specific entries */
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &do_start_xmit;
     dev->set_config = &do_config;
     dev->get_stats = &do_get_stats;
@@ -1714,7 +1715,6 @@ do_open(struct net_device *dev)
 
     /* okay */
     link->open++;
-    MOD_INC_USE_COUNT;
 
     netif_start_queue(dev);
     do_reset(dev,1);
@@ -2066,8 +2066,6 @@ do_stop(struct net_device *dev)
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
 
-    MOD_DEC_USE_COUNT;
-
     return 0;
 }
 

drivers/net/sk98lin/skge.c

@@ -322,8 +322,8 @@ static void	BoardInitMem(SK_AC *pAC);
 static void	SetupRing(SK_AC*, void*, uintptr_t, RXD**, RXD**, RXD**,
 			int*, SK_BOOL);
 
-static void	SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs);
-static void	SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs);
+static irqreturn_t SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs);
+static irqreturn_t SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs);
 static int	SkGeOpen(struct net_device *dev);
 static int	SkGeClose(struct net_device *dev);
 static int	SkGeXmit(struct sk_buff *skb, struct net_device *dev);
@@ -470,6 +470,7 @@ static int __init skge_probe (void)
 		pNet->Up = 0;
 		dev->irq = pdev->irq;
 
+		SET_MODULE_OWNER(dev);
 		dev->open =		&SkGeOpen;
 		dev->stop =		&SkGeClose;
 		dev->hard_start_xmit =	&SkGeXmit;
@@ -1236,7 +1237,7 @@ int	PortIndex)	/* index of the port for which to re-init */
  * Returns: N/A
  *
  */
-static void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs)
+static irqreturn_t SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs)
 {
 struct net_device *dev = (struct net_device *)dev_id;
 
@@ -1252,7 +1253,7 @@ SK_U32		IntSrc;		/* interrupts source register contents */
 	 */
 	SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc);
 	if (IntSrc == 0) {
-		return;
+		return IRQ_NONE;
 	}
 
 	while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) {
@@ -1380,7 +1381,7 @@ SK_U32		IntSrc;		/* interrupts source register contents */
 	/* IRQ is processed - Enable IRQs again*/
 	SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK);
 
-	return;
+	return IRQ_HANDLED;
 } /* SkGeIsr */
 
 
@@ -1397,7 +1398,7 @@ SK_U32		IntSrc;		/* interrupts source register contents */
  * Returns: N/A
  *
  */
-static void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs)
+static irqreturn_t SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs)
 {
 struct net_device *dev = (struct net_device *)dev_id;
 DEV_NET		*pNet;
@@ -1412,7 +1413,7 @@ SK_U32		IntSrc;		/* interrupts source register contents */
 	 */
 	SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc);
 	if (IntSrc == 0) {
-		return;
+		return IRQ_NONE;
 	}
 
 	while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) {
@@ -1498,7 +1499,7 @@ SK_U32		IntSrc;		/* interrupts source register contents */
 	/* IRQ is processed - Enable IRQs again*/
 	SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK);
 
-	return;
+	return IRQ_HANDLED;
 } /* SkGeIsrOnePort */
 
 
@@ -1604,8 +1605,6 @@ SK_EVPARA		EvPara;		/* an event parameter union */
 	pAC->MaxPorts++;
 	pNet->Up = 1;
 
-	MOD_INC_USE_COUNT;
-
 	SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY,
 		("SkGeOpen suceeded\n"));
 
@@ -1705,7 +1704,6 @@ SK_EVPARA		EvPara;
 
 	pAC->MaxPorts--;
 	pNet->Up = 0;
-	MOD_DEC_USE_COUNT;
 	
 	return (0);
 } /* SkGeClose */

drivers/net/tulip/xircom_cb.c

@@ -111,7 +111,7 @@ struct xircom_private {
 /* Function prototypes */
 static int xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id);
 static void xircom_remove(struct pci_dev *pdev);
-static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
 static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev);
 static int xircom_open(struct net_device *dev);
 static int xircom_close(struct net_device *dev);
@@ -344,7 +344,7 @@ static void __devexit xircom_remove(struct pci_dev *pdev)
 	leave("xircom_remove");
 } 
 
-static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 {
 	struct net_device *dev = (struct net_device *) dev_instance;
 	struct xircom_private *card = (struct xircom_private *) dev->priv;
@@ -388,6 +388,7 @@ static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 	
 	spin_unlock(&card->lock);
 	leave("xircom_interrupt");
+	return IRQ_HANDLED;
 }
 
 static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)

drivers/net/tulip/xircom_tulip_cb.c

@@ -340,7 +340,7 @@ static void xircom_tx_timeout(struct net_device *dev);
 static void xircom_init_ring(struct net_device *dev);
 static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev);
 static int xircom_rx(struct net_device *dev);
-static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
 static int xircom_close(struct net_device *dev);
 static struct net_device_stats *xircom_get_stats(struct net_device *dev);
 static int xircom_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
@@ -355,7 +355,7 @@ static void outl_CSR6(u32 newcsr6, long ioaddr)
 	const int strict_bits =
 		TxThresh10 | TxStoreForw | TxThreshMask | EnableTxRx | FullDuplexBit;
     int csr5, csr5_22_20, csr5_19_17, currcsr6, attempts = 200;
-    long flags;
+    unsigned long flags;
     save_flags(flags);
     cli();
 	/* mask out the reserved bits that always read 0 on the Xircom cards */
@@ -1054,12 +1054,13 @@ static void check_duplex(struct net_device *dev)
 
 /* The interrupt handler does all of the Rx thread work and cleans up
    after the Tx thread. */
-static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 {
 	struct net_device *dev = dev_instance;
 	struct xircom_private *tp = dev->priv;
 	long ioaddr = dev->base_addr;
 	int csr5, work_budget = max_interrupt_work;
+	int handled = 0;
 
 	spin_lock (&tp->lock);
 
@@ -1078,6 +1079,8 @@ static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 		if ((csr5 & (NormalIntr|AbnormalIntr)) == 0)
 			break;
 
+		handled = 1;
+
 		if (csr5 & (RxIntr | RxNoBuf))
 			work_budget -= xircom_rx(dev);
 
@@ -1185,6 +1188,7 @@ static void xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 			   dev->name, inl(ioaddr + CSR5));
 
 	spin_unlock (&tp->lock);
+	return IRQ_RETVAL(handled);
 }
 
 
@@ -1461,7 +1465,7 @@ static int xircom_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	struct xircom_private *tp = dev->priv;
 	u16 *data = (u16 *)&rq->ifr_data;
 	int phy = tp->phys[0] & 0x1f;
-	long flags;
+	unsigned long flags;
 
 	switch(cmd) {
 	case SIOCETHTOOL:

drivers/net/wireless/airo.c

@@ -947,7 +947,7 @@ static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw);
 static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket);
 static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket);
 
-static void airo_interrupt( int irq, void* dev_id, struct pt_regs
+static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs
 			    *regs);
 static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 #ifdef WIRELESS_EXT
@@ -1837,20 +1837,23 @@ static void airo_read_mic(struct airo_info *ai) {
 	}
 }
 
-static void airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
+static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
 	struct net_device *dev = (struct net_device *)dev_id;
 	u16 status;
 	u16 fid;
 	struct airo_info *apriv = dev->priv;
 	u16 savedInterrupts = 0;
+	int handled = 0;
 
 	if (!netif_device_present(dev))
-		return;
+		return IRQ_NONE;
 
 	for (;;) {
 		status = IN4500( apriv, EVSTAT );
 		if ( !(status & STATUS_INTS) || status == 0xffff ) break;
 
+		handled = 1;
+
 		if ( status & EV_AWAKE ) {
 			OUT4500( apriv, EVACK, EV_AWAKE );
 			OUT4500( apriv, EVACK, EV_AWAKE );
@@ -2133,7 +2136,7 @@ static void airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) {
 		OUT4500( apriv, EVINTEN, savedInterrupts );
 
 	/* done.. */
-	return;
+	return IRQ_RETVAL(handled);
 }
 
 /*
@@ -2494,7 +2497,7 @@ static int aux_bap_read(struct airo_info *ai, u16 *pu16Dst,
 	u16 next;
 	int words;
 	int i;
-	long flags;
+	unsigned long flags;
 
 	spin_lock_irqsave(&ai->aux_lock, flags);
 	page = IN4500(ai, SWS0+whichbap);

drivers/net/wireless/arlan.c

@@ -113,7 +113,7 @@ static int arlans_found;
 static  int 	arlan_probe_here(struct net_device *dev, int ioaddr);
 static  int 	arlan_open(struct net_device *dev);
 static  int 	arlan_tx(struct sk_buff *skb, struct net_device *dev);
-static  void 	arlan_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static  irqreturn_t arlan_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static  int 	arlan_close(struct net_device *dev);
 static  struct net_device_stats *
 		arlan_statistics		(struct net_device *dev);
@@ -1840,7 +1840,7 @@ static void arlan_process_interrupt(struct net_device *dev)
 	return;
 }
 
-static void arlan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t arlan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	struct net_device *dev = dev_id;
 	struct arlan_private *priv = (struct arlan_private *) dev->priv;
@@ -1859,7 +1859,7 @@ static void arlan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	priv->irq_test_done = 1;
 
 	ARLAN_DEBUG_EXIT("arlan_interrupt");
-	return;
+	return IRQ_HANDLED;
 
 }
 

drivers/net/wireless/arlan.h

@@ -376,7 +376,7 @@ struct arlan_private {
       volatile int txNew;
       volatile int txOffset;
       volatile char ReTransmitRequested;
-      volatile long long tx_done_delayed;
+      volatile unsigned long tx_done_delayed;
       volatile long long registrationLastSeen;
       volatile char under_command;
       volatile char under_toggle;

drivers/net/wireless/netwave_cs.c

@@ -495,6 +495,7 @@ static dev_link_t *netwave_attach(void)
     spin_lock_init(&priv->spinlock);
 
     /* Netwave specific entries in the device structure */
+    SET_MODULE_OWNER(dev);
     dev->hard_start_xmit = &netwave_start_xmit;
     dev->set_config = &netwave_config;
     dev->get_stats  = &netwave_get_stats;
@@ -1727,7 +1728,6 @@ static int netwave_open(struct net_device *dev) {
 	return -ENODEV;
 
     link->open++;
-    MOD_INC_USE_COUNT;
 
     netif_start_queue(dev);
     netwave_reset(dev);
@@ -1746,7 +1746,6 @@ static int netwave_close(struct net_device *dev) {
     if (link->state & DEV_STALE_CONFIG)
 	mod_timer(&link->release, jiffies + HZ/20);
 	
-    MOD_DEC_USE_COUNT;
     return 0;
 }
 

drivers/net/wireless/orinoco.c

@@ -1337,7 +1337,7 @@ static void show_rx_frame(struct orinoco_rxframe_hdr *frame)
 /*
  * Interrupt handler
  */
-void orinoco_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t orinoco_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	struct orinoco_private *priv = (struct orinoco_private *) dev_id;
 	hermes_t *hw = &priv->hw;
@@ -1353,7 +1353,7 @@ void orinoco_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 	if (orinoco_lock(priv, &flags) != 0) {
 		/* If hw is unavailable */
-		return;
+		return IRQ_NONE;
 	}
 
 	evstat = hermes_read_regn(hw, EVSTAT);
@@ -1403,6 +1403,8 @@ much! Shutting down.\n",
 	};
 
 	orinoco_unlock(priv, &flags);
+
+	return IRQ_HANDLED;
 }
 
 static void __orinoco_ev_tick(struct orinoco_private *priv, hermes_t *hw)

drivers/net/wireless/orinoco.h

@@ -114,7 +114,7 @@ int orinoco_reinit_firmware(struct net_device *dev);
 
 extern int orinoco_proc_dev_init(struct net_device *dev);
 extern void orinoco_proc_dev_cleanup(struct net_device *dev);
-extern void orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
+extern irqreturn_t orinoco_interrupt(int irq, void * dev_id, struct pt_regs *regs);
 
 /********************************************************************/
 /* Locking and synchronization functions                            */

drivers/net/wireless/ray_cs.c

@@ -423,6 +423,7 @@ static dev_link_t *ray_attach(void)
     dev->set_multicast_list = &set_multicast_list;
 
     DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
+    SET_MODULE_OWNER(dev);
     ether_setup(dev);
     dev->init = &ray_dev_init;
     dev->open = &ray_open;
@@ -1724,14 +1725,11 @@ static int ray_open(struct net_device *dev)
     dev_link_t *link;
     ray_dev_t *local = (ray_dev_t *)dev->priv;
     
-    MOD_INC_USE_COUNT;
-
     DEBUG(1, "ray_open('%s')\n", dev->name);
 
     for (link = dev_list; link; link = link->next)
         if (link->priv == dev) break;
     if (!DEV_OK(link)) {
-        MOD_DEC_USE_COUNT;
         return -ENODEV;
     }
 
@@ -1781,8 +1779,6 @@ static int ray_dev_close(struct net_device *dev)
      * card is closed we can chage its configuration.
      * Probably also need a COR reset to get sane state - Jean II */
 
-    MOD_DEC_USE_COUNT;
-
     return 0;
 } /* end ray_dev_close */
 /*===========================================================================*/

drivers/net/wireless/wavelan.c

@@ -3858,7 +3858,7 @@ static int wv_check_ioaddr(unsigned long ioaddr, u8 * mac)
  * This function is the interrupt handler for the WaveLAN card. This
  * routine will be called whenever: 
  */
-static void wavelan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t wavelan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	device *dev;
 	unsigned long ioaddr;
@@ -3934,7 +3934,7 @@ static void wavelan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		       dev->name, hasr);
 #endif
 		spin_unlock (&lp->spinlock);
-		return;
+		return IRQ_NONE;
 	}
 
 	/* Read interrupt data. */
@@ -4004,6 +4004,7 @@ static void wavelan_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 #ifdef DEBUG_INTERRUPT_TRACE
 	printk(KERN_DEBUG "%s: <-wavelan_interrupt()\n", dev->name);
 #endif
+	return IRQ_HANDLED;
 }
 
 /*------------------------------------------------------------------*/

drivers/net/wireless/wavelan.p.h

@@ -650,7 +650,7 @@ static int
 	wv_check_ioaddr(u_long,		/* ioaddr */
 			u_char *);	/* mac address (read) */
 /* ---------------------- INTERRUPT HANDLING ---------------------- */
-static void
+static irqreturn_t
 	wavelan_interrupt(int,		/* interrupt handler */
 			  void *,
 			  struct pt_regs *);

drivers/net/wireless/wavelan_cs.c

@@ -5020,7 +5020,6 @@ wavelan_open(device *	dev)
 
   /* Mark the device as used */
   link->open++;
-  MOD_INC_USE_COUNT;
 
 #ifdef WAVELAN_ROAMING
   if(do_roaming)
@@ -5065,7 +5064,6 @@ wavelan_close(device *	dev)
 #endif	/* WAVELAN_ROAMING */
 
   link->open--;
-  MOD_DEC_USE_COUNT;
 
   /* If the card is still present */
   if(netif_running(dev))
@@ -5186,6 +5184,7 @@ wavelan_attach(void)
   ether_setup(dev);
 
   /* wavelan NET3 callbacks */
+  SET_MODULE_OWNER(dev);
   dev->open = &wavelan_open;
   dev->stop = &wavelan_close;
   dev->hard_start_xmit = &wavelan_packet_xmit;

drivers/net/znet.c

@@ -159,7 +159,7 @@ struct netidblk {
 
 static int	znet_open(struct net_device *dev);
 static int	znet_send_packet(struct sk_buff *skb, struct net_device *dev);
-static void	znet_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t znet_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static void	znet_rx(struct net_device *dev);
 static int	znet_close(struct net_device *dev);
 static struct net_device_stats *net_get_stats(struct net_device *dev);
@@ -604,16 +604,17 @@ static int znet_send_packet(struct sk_buff *skb, struct net_device *dev)
 }
 
 /* The ZNET interrupt handler. */
-static void	znet_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t znet_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 {
 	struct net_device *dev = dev_id;
 	struct znet_private *znet = dev->priv;
 	int ioaddr;
 	int boguscnt = 20;
+	int handled = 0;
 
 	if (dev == NULL) {
 		printk(KERN_WARNING "znet_interrupt(): IRQ %d for unknown device.\n", irq);
-		return;
+		return IRQ_NONE;
 	}
 
 	spin_lock (&znet->lock);
@@ -637,6 +638,8 @@ static void	znet_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 		if ((status & SR0_INTERRUPT) == 0)
 			break;
 
+		handled = 1;
+
 		if ((status & SR0_EVENT_MASK) == SR0_TRANSMIT_DONE ||
 		    (status & SR0_EVENT_MASK) == SR0_RETRANSMIT_DONE ||
 		    (status & SR0_EVENT_MASK) == SR0_TRANSMIT_NO_CRC_DONE) {
@@ -682,7 +685,7 @@ static void	znet_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 
 	spin_unlock (&znet->lock);
 	
-	return;
+	return IRQ_RETVAL(handled);
 }
 
 static void znet_rx(struct net_device *dev)