X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fbase%2Ffirmware_class.c;h=c9c92b00fd555768730b731695bdbac1deeab1e9;hb=3859069bc3358772b08bd91efe9edec39a746ea8;hp=b0be1d18fee23d5c25d865bba20c0a3560546195;hpb=6d52dcbe56ca8464bcad56d98a64bcd781596663;p=linux-2.6

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index b0be1d18fe..c9c92b00fd 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -184,7 +184,7 @@ firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 	struct device *dev = to_dev(kobj);
 	struct firmware_priv *fw_priv = dev_get_drvdata(dev);
 	struct firmware *fw;
-	ssize_t ret_count = count;
+	ssize_t ret_count;
 
 	mutex_lock(&fw_lock);
 	fw = fw_priv->fw;
@@ -192,14 +192,8 @@ firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		ret_count = -ENODEV;
 		goto out;
 	}
-	if (offset > fw->size) {
-		ret_count = 0;
-		goto out;
-	}
-	if (offset + ret_count > fw->size)
-		ret_count = fw->size - offset;
-
-	memcpy(buffer, fw->data + offset, ret_count);
+	ret_count = memory_read_from_buffer(buffer, count, &offset,
+						fw->data, fw->size);
 out:
 	mutex_unlock(&fw_lock);
 	return ret_count;