diff options
| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2018-11-20 20:52:37 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-12-07 18:13:48 -0500 |
| commit | 3704d56e1a64bb0e951815f91149ae7bb726aa76 (patch) | |
| tree | 2adc25a157b1bab7c9984b94dbeef11c9d40fc72 /drivers/gpu/drm/amd/amdkfd/kfd_topology.c | |
| parent | drm/amdgpu: Add KFD VRAM limit checking (diff) | |
| download | linux-dev-3704d56e1a64bb0e951815f91149ae7bb726aa76.tar.xz linux-dev-3704d56e1a64bb0e951815f91149ae7bb726aa76.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index aa793fcbbdcc..c5ed21ef2462 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -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; } |