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

[Tirupathi Reddy T]

On 7/12/2017 3:32 PM, Mark Brown wrote:
> 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...
Fixed this in the new patch version(V2).
https://patchwork.kernel.org/patch/9836529/