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由 Chris Wilson 提交于
The user parameters to put_image are not copied back to userspace (DRM_IOW), and so we can modify the ioctl parameters (having already been copied to a temporary kernel struct) directly and use those in place, avoiding another temporary malloc and lots of manual copying. Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Reviewed-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180906190144.1272-2-chris@chris-wilson.co.uk
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