linux-kernel - Re: [PATCH] spi: Fix hung task timeout when initialization fails

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Message-ID: <20140501141156.GV3245@sirena.org.uk>
Date:	Thu, 1 May 2014 07:11:56 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:	linux-spi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] spi: Fix hung task timeout when initialization fails

On Thu, May 01, 2014 at 07:53:58AM +0200, Ricardo Ribalda Delgado wrote:

> Thanks for your comments. This fix does not avoid the task being
> killed (which is not an error). What it does is that IF the task is
> killed or we are out of memory we will exit with all the resources
> properly released and no locks helds, giving the user a chance to
> reload/rebind the module instead of getting and unstable system that
> cannot even reboot without a powercycle.

How does it ensure that?  What's to stop the task being killed after we
check to see if the task was killed.

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