Commit 67d0859e authored by Christian König's avatar Christian König Committed by Alex Deucher

drm/amdgpu: fix error handling in amdgpu_cs_process_fence_dep

We always need to drop the ctx reference and should check
for errors first and then dereference the fence pointer.
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f0bc1ee4
...@@ -1044,30 +1044,28 @@ static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p, ...@@ -1044,30 +1044,28 @@ static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
return r; return r;
} }
fence = amdgpu_ctx_get_fence(ctx, entity, fence = amdgpu_ctx_get_fence(ctx, entity, deps[i].handle);
deps[i].handle); amdgpu_ctx_put(ctx);
if (IS_ERR(fence))
return PTR_ERR(fence);
else if (!fence)
continue;
if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) { if (chunk->chunk_id == AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES) {
struct drm_sched_fence *s_fence = to_drm_sched_fence(fence); struct drm_sched_fence *s_fence;
struct dma_fence *old = fence; struct dma_fence *old = fence;
s_fence = to_drm_sched_fence(fence);
fence = dma_fence_get(&s_fence->scheduled); fence = dma_fence_get(&s_fence->scheduled);
dma_fence_put(old); dma_fence_put(old);
} }
if (IS_ERR(fence)) { r = amdgpu_sync_fence(p->adev, &p->job->sync, fence, true);
r = PTR_ERR(fence);
amdgpu_ctx_put(ctx);
return r;
} else if (fence) {
r = amdgpu_sync_fence(p->adev, &p->job->sync, fence,
true);
dma_fence_put(fence); dma_fence_put(fence);
amdgpu_ctx_put(ctx);
if (r) if (r)
return r; return r;
} }
}
return 0; return 0;
} }
......
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