[Freedreno] [PATCH 3/3] drm/msm/a6xx: Remove state objects from list before freeing

[Rob Clark]

From: Rob Clark <robdclark at chromium.org>

Technically it worked as it was before, only because it was using the
_safe version of the iterator.  But it is sloppy practice to leave
dangling pointers.

Signed-off-by: Rob Clark <robdclark at chromium.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index b0124d0f286c..a5c3d1ed255a 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -1046,8 +1046,10 @@ static void a6xx_gpu_state_destroy(struct kref *kref)
 	if (a6xx_state->gmu_debug)
 		kvfree(a6xx_state->gmu_debug->data);
 
-	list_for_each_entry_safe(obj, tmp, &a6xx_state->objs, node)
+	list_for_each_entry_safe(obj, tmp, &a6xx_state->objs, node) {
+		list_del(&obj->node);
 		kvfree(obj);
+	}
 
 	adreno_gpu_state_destroy(state);
 	kfree(a6xx_state);
-- 
2.37.3