Thread (59 messages) 59 messages, 5 authors, 2020-09-01

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

From: Jordan Crouse <hidden>
Date: 2020-08-17 17:23:11
Also in: dri-devel, linux-arm-msm, linux-iommu, lkml

On Thu, Aug 13, 2020 at 07:40:56PM -0700, Rob Clark wrote:
From: Rob Clark <redacted>

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 <redacted>
quoted hunk ↗ jump to hunk
Signed-off-by: Rob Clark <redacted>
---
 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

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