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devm_drm_bridge_alloc() is the new API to be used for allocating (and partially initializing) a private driver struct embedding a struct drm_bridge. This driver was missed during the automated conversion in commit9c399719cf("drm: convert many bridge drivers from devm_kzalloc() to devm_drm_bridge_alloc() API") and following commits. The lack of conversion for this driver is a bug since commita7748dd127("drm/bridge: get/put the bridge reference in drm_bridge_add/remove()") which is the first commmit having added a drm_bridge_get/put() pair and thus exposing the incorrect initial refcount issue. Fix this by switching the driver to the new API. Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Closes: https://lore.kernel.org/all/ce9c6aa3-5372-468f-a4bf-5a261259e459@samsung.com/ Fixes:a7748dd127("drm/bridge: get/put the bridge reference in drm_bridge_add/remove()") Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250708-drm-bridge-convert-to-alloc-api-leftovers-v1-2-6285de8c3759@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
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 reStructuredText 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.