[patch -v3 18/22] zorro: use memory_read_from_buffer

[Akinobu Mita]

Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/zorro/zorro-sysfs.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

Index: 2.6-git/drivers/zorro/zorro-sysfs.c
===================================================================
--- 2.6-git.orig/drivers/zorro/zorro-sysfs.c
+++ 2.6-git/drivers/zorro/zorro-sysfs.c
@@ -15,6 +15,7 @@
 #include <linux/zorro.h>
 #include <linux/stat.h>
 #include <linux/string.h>
+#include <linux/fs.h>
 
 #include "zorro.h"
 
@@ -56,12 +57,6 @@ static ssize_t zorro_read_config(struct 
 	struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device,
 					   kobj));
 	struct ConfigDev cd;
-	unsigned int size = sizeof(cd);
-
-	if (off > size)
-		return 0;
-	if (off+count > size)
-		count = size-off;
 
 	/* Construct a ConfigDev */
 	memset(&cd, 0, sizeof(cd));
@@ -71,8 +66,7 @@ static ssize_t zorro_read_config(struct 
 	cd.cd_BoardAddr = (void *)zorro_resource_start(z);
 	cd.cd_BoardSize = zorro_resource_len(z);
 
-	memcpy(buf, (void *)&cd+off, count);
-	return count;
+	return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd));
 }
 
 static struct bin_attribute zorro_config_attr = {

-- 
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