Re: [PATCH v2] Staging: dgnc: release the lock before testing for nullity

[Quentin Lambert]

On 18/03/2015 14:36, Dan Carpenter wrote:
> This changelog still doesn't make sense so I took a look at the code.
>
> tty_ldisc_deref() is an unlock function.  So this is a lock ordering
> bug.  What makes you think the original ordering was correct?  Who
> reported this bug?  What are the effects of this bug?
I was the one who introduced the ordering change in the first place.
I am just trying to fix it because although nobody complained I am not
sure of the impact and restoring the previous control flow seems to be the
right thing to do.
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