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From: "Saravana" <EC19936@rect.ernet.in>
Organization: R.E.C., Tiruchirappalli, INDIA
To: linux-kernel@vger.kernel.org
Date: Thu, 16 Aug 2001 16:01:08 IST+530
Subject: Re: 
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> hi!
>    I am beginning learn to write a driver follow the
> Book "Beginnng Linux programming(Second
> Edition)".There is a example about char driver,I write
> as that,but I can open device,but can't read from it.I
> just copy some static data to user buffer as follow:
>    copy_to_user(buf, schar_buffer, count)

just check out if u got any perms(rw) on the device.. ?
sarvana