[PATCH] drm/vboxvideo: Fix a NULL vs IS_ERR() check in vbox_hw_init()

[Markus Elfring]

> The devm_gen_pool_create() function returns ERR_PTR() on error, it
> doesn't return NULL so this check doesn't work.

How do you think about a wording variant like the following?

   Change description:
   A null pointer check was performed after a call of the
   function “devm_gen_pool_create” despite of the detail
   that failures are indicated by error pointers instead.
   Thus adjust a check for the failure predicate
   and return the corresponding error code.


Regards,
Markus