On 10/8/21 9:17 AM, Nirmoy Das wrote:
> Return early if dri minor root dentry is NULL.
>
> CC: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
> CC: Zhi Wang <zhi.a.wang@xxxxxxxxx>
> CC: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> CC: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> CC: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> CC: David Airlie <airlied@xxxxxxxx>
> CC: Daniel Vetter <daniel@xxxxxxxx>
> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
> ---
> drivers/gpu/drm/i915/gvt/debugfs.c | 3 +++
> drivers/gpu/drm/i915/i915_debugfs.c | 3 +++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c b/drivers/gpu/drm/i915/gvt/debugfs.c
> index 9f1c209d9251..2d47acaa03ee 100644
> --- a/drivers/gpu/drm/i915/gvt/debugfs.c
> +++ b/drivers/gpu/drm/i915/gvt/debugfs.c
> @@ -187,6 +187,9 @@ void intel_gvt_debugfs_init(struct intel_gvt *gvt)
> {
> struct drm_minor *minor = gvt->gt->i915->drm.primary;
>
> + if (!minor->debugfs_root)
> + return;
> +
> gvt->debugfs_root = debugfs_create_dir("gvt", minor->debugfs_root);
>
> debugfs_create_ulong("num_tracked_mmio", 0444, gvt->debugfs_root,
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 44969f5dde50..d572b686edeb 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -1012,6 +1012,9 @@ void i915_debugfs_register(struct drm_i915_private *dev_priv)
> struct drm_minor *minor = dev_priv->drm.primary;
> int i;
>
> + if (!minor->debugfs_root)
> + return;
> +
> i915_debugfs_params(dev_priv);
>
> debugfs_create_file("i915_forcewake_user", S_IRUSR, minor->debugfs_root,
> --
> 2.32.0
>
Thanks for the patch. queued.
Reviewed-by: Zhi Wang <zhi.a.wang@xxxxxxxxx>
