From: "Christopher Friesen" <cfriesen@nortelnetworks.com>
To: Mark Atwood <mra@pobox.com>
Cc: Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: Module read a file?
Date: Thu, 11 Oct 2001 17:19:07 -0400 [thread overview]
Message-ID: <3BC60CCB.4F525A02@nortelnetworks.com> (raw)
In-Reply-To: <m38zehucml.fsf@flash.localdomain>
Mark Atwood wrote:
>
> I'm modifying a PCMCIA driver module so that it can load new firmware
> into the card when it's inserted.
>
> Rather than including the firmware inside the module's binary, I would
> much rather be able to read it out of the filesystem.
>
> Are their any good examples of kernel code or kernel modules reading a
> file out of the filesystem that I could copy or at least look to for
> inspiration?
What about adding an ioctl() and making a userspace tool to pass the new
firmware down in a buffer? This lets you do more complicated error-checking and
maybe some sort of validation of the firmware in userspace, saving on kernel
size.
Chris
--
Chris Friesen | MailStop: 043/33/F10
Nortel Networks | work: (613) 765-0557
3500 Carling Avenue | fax: (613) 765-2986
Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com
next prev parent reply other threads:[~2001-10-11 21:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-11 20:48 Module read a file? Mark Atwood
2001-10-11 21:19 ` Christopher Friesen [this message]
2001-10-11 21:25 ` Mark Atwood
2001-10-11 21:39 ` Christopher Friesen
2001-10-11 21:46 ` Greg KH
2001-10-12 8:12 ` Ian Stirling
2001-10-11 21:57 ` John Adams
2001-10-11 22:18 ` Alan Cox
2001-10-11 22:29 ` Mark Atwood
2001-10-12 4:43 ` T. A.
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