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During console takeover, which happens for all DRM/KMS setups using the fbdev helpers, fbcon_startup() is called before fbcon_init() and as a result con2fb_acquire_newinfo() will not be called (info->fbcon_par was set to non-NULL in fbcon_startup()) to assign ops->info. This causes the cursor_timer_handler() to unreference a NULL pointer. Avoid this by unconditionally assigning ops->info during fbcon_startup() so that it will be available early, but keep the additional assignment in con2fb_acquire_newinfo() to support console remapping at runtime. Signed-off-by: Thierry Reding <treding@nvidia.com> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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.