| From | alexander.levin@verizon ... | Subject | [PATCH AUTOSEL for 4.9 019/156] drm/amdgpu: fix parser init error path to avoid crash in parser fini | Date | Thu, 7 Dec 2017 15:48:58 +0000 |
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From: Dave Airlie <airlied@redhat.com>
[ Upstream commit 607523d19c9d67ba4cf7bdaced644f11ed04992c ]
If we don't reset the chunk info in the error path, the subsequent fini path will double free.
Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index bfb4b91869e7..f26d1fd53bef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -240,6 +240,8 @@ free_partial_kdata: for (; i >= 0; i--) drm_free_large(p->chunks[i].kdata); kfree(p->chunks); + p->chunks = NULL; + p->nchunks = 0; put_ctx: amdgpu_ctx_put(p->ctx); free_chunk: -- 2.11.0 |