Commit c897934d authored by Felix Kuehling's avatar Felix Kuehling Committed by Alex Deucher

drm/amdkfd: Fix leak in dmabuf import

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: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarKent Russell <kent.russell@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 68fce5f0
......@@ -1736,6 +1736,7 @@ static int kfd_ioctl_import_dmabuf(struct file *filep,
}
mutex_unlock(&p->mutex);
dma_buf_put(dmabuf);
args->handle = MAKE_HANDLE(args->gpu_id, idr_handle);
......@@ -1745,6 +1746,7 @@ static int kfd_ioctl_import_dmabuf(struct file *filep,
amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem, NULL);
err_unlock:
mutex_unlock(&p->mutex);
dma_buf_put(dmabuf);
return r;
}
......
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