[PATCH 3/3] drm/msm/a6xx: Remove state objects from list before freeing
Rob Clark
robdclark at gmail.com
Thu Oct 13 22:55:15 UTC 2022
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
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