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Date: Wed, 26 Mar 2008 15:44:53 +0800
From: Lai Jiangshan <laijs@cn.fujitsu.com>
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To: linux-kernel@vger.kernel.org
Subject: [PATCH] set relay file can not be read by pread(2)
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Hi:
	I found that relay files can be read by pread(2). I fix it,
for relay files are not capable of seeking.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>

--- linux-2.6.24/kernel/relay.c.org	2008-01-25 06:58:37.000000000 +0800
+++ linux-2.6.24/kernel/relay.c	2008-03-17 23:53:14.000000000 +0800
@@ -741,7 +741,7 @@ static int relay_file_open(struct inode 
 	kref_get(&buf->kref);
 	filp->private_data = buf;
 
-	return 0;
+	return nonseekable_open(inode, filp);
 }
 
 /**