drm/amdkfd: Fix leak in dmabuf import
[ Upstream commit c897934da1
]
Release dmabuf reference before returning from kfd_ioctl_import_dmabuf.
amdgpu_amdkfd_gpuvm_import_dmabuf takes a reference to the underlying
GEM BO and doesn't keep the reference to the dmabuf wrapper.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
dc06432d93
commit
2686041cef
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@ -1664,6 +1664,7 @@ static int kfd_ioctl_import_dmabuf(struct file *filep,
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}
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mutex_unlock(&p->mutex);
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dma_buf_put(dmabuf);
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args->handle = MAKE_HANDLE(args->gpu_id, idr_handle);
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@ -1673,6 +1674,7 @@ err_free:
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amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem);
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err_unlock:
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mutex_unlock(&p->mutex);
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dma_buf_put(dmabuf);
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return r;
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}
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