linux-kernel - Re: [PATCH 3.18 105/183] [media] af9005: fix kernel panic on init if compiled without IR

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Date:	Sun, 25 Jan 2015 14:01:24 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Luca Olivetti <luca@...toso.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Fengguag Wu <fengguang.wu@...el.com>,
	Frank Schäfer <fschaefer.oss@...glemail.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>
Subject: Re: [PATCH 3.18 105/183] [media] af9005: fix kernel panic on init if
 compiled without IR

On Sun, Jan 25, 2015 at 08:32:59PM +0100, Luca Olivetti wrote:
> El 25/01/15 a les 19:07, Greg Kroah-Hartman ha escrit:
> > 3.18-stable review patch.  If anyone has any objections, please let me know.
> 
> I don't have any objection apart from the description: IIRC the bug is
> triggered only if the kernel is compiled without module support.
> In any case I think that symbol_request should return NULL if the
> requested symbol is not available, either because the kernel has been
> compiled without module support or the required symbol is not provided
> by any module (though I think in the latter case it already works this
> way, at least it did at the time I wrote the driver).
> Or, as I said here
> https://lkml.org/lkml/2009/2/4/350
> maybe symbol_request isn't the correct approach to provide multiple,
> alternative, implementations.

The description is identical to what is in Linus's tree, so there's not
much I can do about it at this late point in time, sorry.

thanks,

greg k-h
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