On Tue, Sep 18, 2018 at 04:20:18PM +1000, Dave Airlie wrote:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> vgem seems to oops on the intel CI due to the vgem debugfs init
> hitting this path now.
>
> Check if we have mode_config funcs before checking one.
>
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
I thought Dave would apply, but I guess too late for him, and since CI is
burning I went ahead and pushed to drm-misc-fixes.
I kinda wonder why we didn't blow up on vgem earlier. I guess not a whole
lot of fuzzing going on ...
-Daniel
> ---
> include/drm/drm_drv.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
> index 8830e3de3a86..3199ef70c007 100644
> --- a/include/drm/drm_drv.h
> +++ b/include/drm/drm_drv.h
> @@ -674,7 +674,7 @@ static inline bool drm_core_check_feature(struct drm_device *dev, u32 feature)
> static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
> {
> return drm_core_check_feature(dev, DRIVER_ATOMIC) ||
> - dev->mode_config.funcs->atomic_commit != NULL;
> + (dev->mode_config.funcs && dev->mode_config.funcs->atomic_commit != NULL);
> }
>
>
> --
> 2.17.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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