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drm/amdgpu: disallow multiple BO_HANDLES chunks in one submit

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From Pierre-Eric Pelloux-Prayer
44e4aeaef96b2624b341597b1a8e595c89925892 in linux-6.6.y/6.6.55
fec5f8e8c6bcf83ed7a392801d7b44c5ecfc1e82 in mainline linux
This commit is contained in:
jsg
2024-10-11 02:04:07 +00:00
parent 1086cb9764
commit a5f3710f75
1 changed files with 4 additions and 0 deletions
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4
sys/dev/pci/drm/amd/amdgpu/amdgpu_cs.c
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@@ -263,6 +263,10 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
if (size < sizeof(struct drm_amdgpu_bo_list_in))
goto free_partial_kdata;
/* Only a single BO list is allowed to simplify handling. */
if (p->bo_list)
ret = -EINVAL;
ret = amdgpu_cs_p1_bo_handles(p, p->chunks[i].kdata);
if (ret)
goto free_partial_kdata;