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Re: [PATCH] regulator: core: Ensure we lock all regulators

From Mark Brown <broonie@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH] regulator: core: Ensure we lock all regulators
Date 2015-12-01 18:00 +0100
Message-ID <qAWrw-3Jy-7@gated-at.bofh.it> (permalink)
References <qAWhQ-3F3-25@gated-at.bofh.it> <qAWhQ-3F3-23@gated-at.bofh.it>
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On Tue, Dec 01, 2015 at 05:45:17PM +0100, Arnd Bergmann wrote:
> On Tuesday 01 December 2015 16:40:57 Mark Brown wrote:

> >         mutex_lock(&rdev->mutex);
> > -       for (i = 1; rdev->supply; rdev = rdev->supply->rdev, i++)
> > +       for (i = 1; rdev; rdev = rdev->supply->rdev, i++)
> >                 mutex_lock_nested(&rdev->mutex, i);

> I think now we have a double lock, the initial mutex_lock() needs to
> be removed again.

Ugh, I even made that fix before I sent but didn't actually commit it
:(

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Thread

Re: [PATCH] regulator: core: Ensure we lock all regulators Arnd Bergmann <arnd@arndb.de> - 2015-12-01 17:50 +0100
  Re: [PATCH] regulator: core: Ensure we lock all regulators Mark Brown <broonie@kernel.org> - 2015-12-01 18:00 +0100
    Re: [PATCH] regulator: core: Ensure we lock all regulators Arnd Bergmann <arnd@arndb.de> - 2015-12-01 20:40 +0100
      Re: [PATCH] regulator: core: Ensure we lock all regulators Mark Brown <broonie@kernel.org> - 2015-12-01 20:50 +0100

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