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Date: Mon, 8 Aug 2016 15:23:19 -0700
From: Brian Norris <briannorris@chromium.org>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Hartmut Knaack <knaack.h@gmx.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
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	Guenter Roeck <linux@roeck-us.net>,
	Brian Norris <computersforpeace@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH] iio: fix sched WARNING "do not call blocking ops when
 !TASK_RUNNING"
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Hi Lars,

On Thu, Aug 04, 2016 at 12:21:08PM +0200, Lars-Peter Clausen wrote:
> And then also drop the if (!indio_dev->info) at the beginning of the function.

I was poking through the usage of this ->info field, and it looks like
it's supposed to be protected by the 'info_exist_lock' lock, but that's
not being acquired here and in at least one other location. Is this
another bug?

Brian