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9e67f24e4d
Somewhere along the way the context uninitialization has gone a bit odd: * We have cal_ctx_create() but no matching destroy call, but we still need to call cal_ctx_v4l2_cleanup() for each context. * We have cal_media_cleanup() which calls cal_ctx_v4l2_cleanup() for all contexts, but cal_media_init() is not where the contexts are created. * The order of uninit steps in cal_remove() is different than the error handling path in cal_probe(). * cal_probe()'s error handling calls cal_ctx_v4l2_cleanup() for each context, but also calls cal_media_clean(), doing the same context cleanup twice. So fix these, by introducing cal_ctx_destroy(), and using that in appropriate places instead of calling cal_ctx_v4l2_cleanup() in cal_media_clean(). Also use normal kzalloc (and kfree) instead of devm version as we anyway do manual cleanup for each context. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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.