Re: [PATCH 01/19] drm/msm: remove dangling submitqueue references

Jordan Crouse
2020-08-17T16:51:53Z

On Thu, Aug 13, 2020 at 07:40:56PM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@chromium.org>
>
> Currently it doesn't matter, since we free the ctx immediately. But
> when we start refcnt'ing the ctx, we don't want old dangling list
> entries to hang around.

Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>

> Signed-off-by: Rob Clark <robdclark@chromium.org>
> ---
> drivers/gpu/drm/msm/msm_submitqueue.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c
> index a1d94be7883a..90c9d84e6155 100644
> --- a/drivers/gpu/drm/msm/msm_submitqueue.c
> +++ b/drivers/gpu/drm/msm/msm_submitqueue.c
> @@ -49,8 +49,10 @@ void msm_submitqueue_close(struct msm_file_private *ctx)
> * No lock needed in close and there won't
> * be any more user ioctls coming our way
> */
> - list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node)
> + list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node) {
> + list_del(&entry->node);
> msm_submitqueue_put(entry);
> + }
> }
>
> int msm_submitqueue_create(struct drm_device *drm, struct msm_file_private *ctx,
> --
> 2.26.2
>
> _______________________________________________
> iommu mailing list
> iommu@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/iommu

--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project