Re: [PATCH 1/1] regulator: core: fix a possible race in disable_work handling

[Mark Brown]

On Wed, Jul 12, 2017 at 02:59:47PM +0530, Tirupathi Reddy wrote:

> regulator_disable_deferred: 		regulator_disable_work:
>    mutex_lock(&rdev->mutex);			     .....
>    rdev->deferred_disables++;		    mutex_lock(&rdev->mutex);
>    mutex_unlock(&rdev->mutex);			     .....
>    queue_delayed_work(...)		    count =rdev->deferred_disables;
> 	.....				    rdev->deferred_disables = 0;

This shows two things simultaneously holding rdev->mutex...

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