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Date: Mon, 19 May 2014 20:49:55 -0400
From: Tejun Heo <tj@kernel.org>
To: Joe Perches <joe@perches.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, Kay Sievers <kay@vrfy.org>,
        Ron <ron@debian.org>, Ben Hutchings <ben@decadent.org.uk>
Subject: Re: [PATCH driver-core-linus] sysfs: make sure read buffer is zeroed
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On Mon, May 19, 2014 at 03:32:22PM -0700, Joe Perches wrote:
> > > +	memset(buf, 0, PAGE_SIZE);
> 
> 	memset(buf, 0, count)?

It's always PAGE_SIZE.  Outputs longer than that are truncated.

Thanks.

-- 
tejun