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Date: Sat, 23 Oct 2010 12:59:57 -0700
From: Brad Boyer <flar@allandria.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Sanchit Garg <sancgarg@linux.vnet.ibm.com>
Subject: Re: [PATCH 2/2] net/9p: Return error on read with NULL buffer
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On Mon, Oct 18, 2010 at 08:10:53PM +0530, Aneesh Kumar K.V wrote:
> This patch ensures that a read(fd, NULL, 0 ) returns  EFAULT on a 9p file.

Is there some specific reason you want this behavior? I believe the
generic Linux code returns success in this case. I tried this exact
system call with fd being a pty or a file on ext3 and got 0 for both.

	Brad Boyer
	flar@allandria.com