X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fchar%2Fapplicom.c;h=9275d5e52e6de63d86309c82096f19ac5776592e;hb=1d9f8461f1a870571f9403a312c26deec3305be5;hp=11f9ee5811242973f15bc0232d1e15fbee33373e;hpb=ab997aaeb9cf7a0da1cecc46c5bb6c7262416917;p=powerpc.git

diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 11f9ee5811..9275d5e52e 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -142,7 +142,7 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
 	if (!boardno)
 		boardno = readb(loc + NUMCARD_OWNER_TO_PC);
 
-	if (!boardno && boardno > MAX_BOARD) {
+	if (!boardno || boardno > MAX_BOARD) {
 		printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n",
 		       boardno, physloc, MAX_BOARD);
 		return 0;
@@ -166,13 +166,9 @@ static int ac_register_board(unsigned long physloc, void __iomem *loc,
 	return boardno + 1;
 }
 
-#ifdef MODULE
-
-#define applicom_init init_module
-
-void cleanup_module(void)
+static void __exit applicom_exit(void)
 {
-	int i;
+	unsigned int i;
 
 	misc_deregister(&ac_miscdev);
 
@@ -188,14 +184,12 @@ void cleanup_module(void)
 	}
 }
 
-#endif				/* MODULE */
-
-int __init applicom_init(void)
+static int __init applicom_init(void)
 {
 	int i, numisa = 0;
 	struct pci_dev *dev = NULL;
 	void __iomem *RamIO;
-	int boardno;
+	int boardno, ret;
 
 	printk(KERN_INFO "Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $\n");
 
@@ -294,7 +288,8 @@ int __init applicom_init(void)
 	}
 
 	if (!numisa)
-		printk(KERN_WARNING"ac.o: No valid ISA Applicom boards found at mem 0x%lx\n",mem);
+		printk(KERN_WARNING "ac.o: No valid ISA Applicom boards found "
+				"at mem 0x%lx\n", mem);
 
  fin:
 	init_waitqueue_head(&FlagSleepRec);
@@ -304,7 +299,11 @@ int __init applicom_init(void)
 	DeviceErrorCount = 0;
 
 	if (numboards) {
-		misc_register(&ac_miscdev);
+		ret = misc_register(&ac_miscdev);
+		if (ret) {
+			printk(KERN_WARNING "ac.o: Unable to register misc device\n");
+			goto out;
+		}
 		for (i = 0; i < MAX_BOARD; i++) {
 			int serial;
 			char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];
@@ -337,12 +336,22 @@ int __init applicom_init(void)
 
 	else
 		return -ENXIO;
+
+out:
+	for (i = 0; i < MAX_BOARD; i++) {
+		if (!apbs[i].RamIO)
+			continue;
+		if (apbs[i].irq)
+			free_irq(apbs[i].irq, &dummy);
+		iounmap(apbs[i].RamIO);
+	}
+	pci_disable_device(dev);
+	return ret;
 }
 
+module_init(applicom_init);
+module_exit(applicom_exit);
 
-#ifndef MODULE
-__initcall(applicom_init);
-#endif
 
 static ssize_t ac_write(struct file *file, const char __user *buf, size_t count, loff_t * ppos)
 {
@@ -835,28 +844,3 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 	return 0;
 }
 
-#ifndef MODULE
-static int __init applicom_setup(char *str)
-{
-	int ints[4];
-
-	(void) get_options(str, 4, ints);
-
-	if (ints[0] > 2) {
-		printk(KERN_WARNING "Too many arguments to 'applicom=', expected mem,irq only.\n");
-	}
-
-	if (ints[0] < 2) {
-		printk(KERN_INFO"applicom numargs: %d\n", ints[0]);
-		return 0;
-	}
-
-	mem = ints[1];
-	irq = ints[2];
-	return 1;
-}
-
-__setup("applicom=", applicom_setup);
-
-#endif				/* MODULE */
-