Commit 3704d56e authored Nov 20, 2018 by Felix Kuehling Committed by Alex Deucher Dec 07, 2018

drm/amdkfd: Add NULL-pointer check



top_dev->gpu is NULL for CPUs. Avoid dereferencing it if NULL.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 611736d8

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -101,7 +101,7 @@ struct kfd_dev kfd_device_by_pci_dev(const struct pci_dev pdev)
		down_read(&topology_lock);

		list_for_each_entry(top_dev, &topology_device_list, list)
		if (top_dev->gpu->pdev == pdev) {
		if (top_dev->gpu && top_dev->gpu->pdev == pdev) {
		device = top_dev->gpu;
		break;
		}

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