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.
Sean Paul
authored
The driver checks for gmu->mmio as a sign that the device has been initialized, however there are failures in probe below the mmio init. If one of those is hit, mmio will be non-null but freed. In that case, a6xx_gmu_probe will return an error to a6xx_gpu_init which will in turn call a6xx_gmu_remove which checks gmu->mmio and tries to free resources for a second time. This causes a great boom. Fix this by adding an initialized member to gmu which is set on successful probe and cleared on removal. Changes in v2: - None Cc: Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by:Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by:
Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190523171653.138678-1-sean@poorly.run
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