[PATCH v4 05/45] drm/connector: Check drm_connector_init pointers arguments

Pekka Paalanen ppaalanen at gmail.com
Wed Nov 29 02:12:59 PST 2023


On Tue, 28 Nov 2023 15:49:08 +0200
Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:

> Should we perhaps start to use the (arguably hideous)
>  - void f(struct foo *bar)
>  + void f(struct foo bar[static 1])
> syntax to tell the compiler we don't accept NULL pointers?
> 
> Hmm. Apparently that has the same problem as using any
> other kind of array syntax in the prototype. That is,
> the compiler demands to know the definition of 'struct foo'
> even though we're passing in effectively a pointer. Sigh.


__attribute__((nonnull)) ?


Thanks,
pq
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