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With this we can drop the final kfree from the release function. The mock device in the selftests needed it's pci_device split up from the drm_device. In the future we could simplify this again by allocating the pci_device as a managed allocation too. v2: I overlooked that i915_driver_destroy is also called in the unwind code of the error path. There we need a drm_dev_put. Similar for the mock object. Now the problem with that is that the drm_driver->release callbacks for both the real driver and the mock one assume everything has been set up. Hence going through that path for a partially set up driver will result in issues. Quickest fix is to disable the ->release() hook until the driver is fully initialized, and keep the onion unwinding. Long term would be cleanest to move everything over to drmm_ release actions, but that's a lot of work for a big driver like i915. Plus more core work needed first anyway. v3: Fix i915_drm pointer wrangling in mock_gem_device. Also switch over to start using drm_dev_put() to clean up even on the error path. Aside I think the current error path is leaking the allocation. v4: more fixes for intel-gfx-ci, some if it damage from v3 :-/ Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Andi Shyti <andi.shyti@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-9-daniel.vetter@ffwll.ch
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.