Re: [PATCH 1/1] platform: x86: Deletion of checks before backlight_device_unregister()

[Julia Lawall]

On Mon, 24 Nov 2014, SF Markus Elfring wrote:

> >> This issue was detected by using the Coccinelle software.
> >
> > What script was used ?
>
> A semantic patch approach which I published on the mailing lists in March
> is in action on my software development system for a while.
>
>
> > Is it in scripts/coccinelle ?
>
> Not yet.
>
> I hope that the involved update suggestions got sufficient positive feedback
> to integrate five scripts there.

The current scripts are very complicated, involving the interaction
between multiple scripts and a database, and I think they are not very
suitable for make coccicheck.  Also, the idea of removing the null checks
is not appropriate in all contexts.  Perhaps it could be possible to add
a script to the Linux kernel that handles a number of common cases for
which removing the null test is widely considered to be desirable.

julia
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