[MTD] block2mtd: Fix incompatible pointer type

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/mtd/devices/block2mtd.c

 /*
- * $Id: block2mtd.c,v 1.25 2005/03/07 20:29:05 joern Exp $
+ * $Id: block2mtd.c,v 1.28 2005/03/19 22:40:44 gleixner Exp $
  *
  * block2mtd.c - create an mtd from a block device
  *
@@ -19,7 +19,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/buffer_head.h>
 
-#define VERSION "$Revision: 1.24 $"
+#define VERSION "$Revision: 1.28 $"
 
 
 #define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
@@ -88,7 +88,6 @@ void cache_readahead(struct address_space *mapping, int index)
 static struct page* page_readahead(struct address_space *mapping, int index)
 {
 	filler_t *filler = (filler_t*)mapping->a_ops->readpage;
-	//do_page_cache_readahead(mapping, index, XXX, 64);
 	cache_readahead(mapping, index);
 	return read_cache_page(mapping, index, filler, NULL);
 }
@@ -369,16 +368,16 @@ static int ustrtoul(const char *cp, char **endp, unsigned int base)
 }
 
 
-static int parse_num32(u32 *num32, const char *token)
+static int parse_num(size_t *num, const char *token)
 {
 	char *endp;
-	unsigned long n;
+	size_t n;
 
-	n = ustrtoul(token, &endp, 0);
+	n = (size_t) ustrtoul(token, &endp, 0);
 	if (*endp)
 		return -EINVAL;
 
-	*num32 = n;
+	*num = n;
 	return 0;
 }
 
@@ -421,7 +420,7 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
 	char buf[80+12], *str=buf; /* 80 for device, 12 for erase size */
 	char *token[2];
 	char *name;
-	u32 erase_size = PAGE_SIZE;
+	size_t erase_size = PAGE_SIZE;
 	int i, ret;
 
 	if (strnlen(val, sizeof(buf)) >= sizeof(buf))
@@ -448,7 +447,7 @@ static int block2mtd_setup(const char *val, struct kernel_param *kp)
 		return 0;
 
 	if (token[1]) {
-		ret = parse_num32(&erase_size, token[1]);
+		ret = parse_num(&erase_size, token[1]);
 		if (ret)
 			parse_err("illegal erase size");
 	}