From 324ed328f575784a741a025f950faac49712fbab Mon Sep 17 00:00:00 2001
From: "(none)!yura" <(none)!yura>
Date: Mon, 11 Oct 2004 16:26:16 +0000
Subject: [PATCH] ntfs_attr_truncate check if newsize is equal to na->data_size
 and don't do anything in this case

(Logical change 1.603)
---
 libntfs/attrib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libntfs/attrib.c b/libntfs/attrib.c
index bd903b3c..820bc1b0 100644
--- a/libntfs/attrib.c
+++ b/libntfs/attrib.c
@@ -4242,6 +4242,9 @@ int ntfs_attr_truncate(ntfs_attr *na, const s64 newsize)
 		errno = EINVAL;
 		return -1;
 	}
+	
+	if (na->data_size == newsize)
+		return 0;
 	/*
 	 * Encrypted attributes are not supported. We return access denied,
 	 * which is what Windows NT4 does, too.