Messages in this thread | | | Date | Wed, 15 Jul 2015 12:27:30 +0100 | From | Mark Brown <> | Subject | Re: [PATCH] regulator: core: Fix memory leak in regulator_resolve_supply() |
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On Wed, Jul 15, 2015 at 10:38:38AM +0200, Javier Martinez Canillas wrote: > On 07/15/2015 10:01 AM, Krzysztof Kozlowski wrote:
> > The _regulator_put() reverts more work than create_regulator() did, > > e.g.: module_put and rdev->open_count--. Maybe you need a > > destroy_regulator() function?
> Yes, it reverts more work than create_regulator() but the intention is to > revert what set_supply() did. If you look at the set_supply() function, > it does supply_rdev->open_count++.
> I did indeed missed the module_put() but now looking at the code again, I
Me too, I've dropped the patch. At first glance everything looked safe for multiple calls.
> wonder if the problem is not that set_supply() is missing a try_module_get() > to be consistent with what the _regulator_get() function does.
The problem is more that it's a separate implementation and not just using _regulator_get() I think. A separate, rarely used, path is likely to have this sort of issue. [unhandled content-type:application/pgp-signature] | |