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lock_all_ctx in setplane_internal may return -EINTR, and __setplane_internal could return -EDEADLK. Making more special cases for fb would make the code even harder to read, so the easiest solution is not taking over the fb refcount, and making callers responsible for dropping the ref. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102707 Fixes: 13736ba3b38b ("drm/legacy: Convert setplane ioctl locking to interruptible.") Testcase: kms_atomic_interruptible Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171220093545.613-2-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.