[PATCH 7/7] drm/amdkfd: Minor cleanups

[Felix Kuehling]

These were missed previously when rebasing changes for upstreaming.

Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 4 ++--
 drivers/gpu/drm/amd/amdkfd/kfd_priv.h                 | 2 ++
 drivers/gpu/drm/amd/amdkfd/kfd_process.c              | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 45b98dd..17d4a01 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -389,7 +389,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
 	if (sched_policy != KFD_SCHED_POLICY_NO_HWS) {
 		retval = unmap_queues_cpsch(dqm,
 				KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
-		if (retval != 0) {
+		if (retval) {
 			pr_err("unmap queue failed\n");
 			goto out_unlock;
 		}
@@ -830,7 +830,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
 
 	if (q->properties.type == KFD_QUEUE_TYPE_SDMA) {
 		retval = allocate_sdma_queue(dqm, &q->sdma_id);
-		if (retval != 0)
+		if (retval)
 			goto out;
 		q->properties.sdma_queue_id =
 			q->sdma_id / CIK_SDMA_QUEUES_PER_ENGINE;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 3b0cc20..9e27c16 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -507,6 +507,8 @@ struct kfd_process {
 	 * In any process, the thread that started main() is the lead
 	 * thread and outlives the rest.
 	 * It is here because amd_iommu_bind_pasid wants a task_struct.
+	 * It can also be used for safely getting a reference to the
+	 * mm_struct of the process.
 	 */
 	struct task_struct *lead_thread;
 
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 6caf6df..674b788 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -421,7 +421,7 @@ int kfd_bind_processes_to_device(struct kfd_dev *dev)
 		err = amd_iommu_bind_pasid(dev->pdev, p->pasid,
 				p->lead_thread);
 		if (err < 0) {
-			pr_err("unexpected pasid %d binding failure\n",
+			pr_err("Unexpected pasid %d binding failure\n",
 					p->pasid);
 			mutex_unlock(&p->mutex);
 			break;
-- 
2.7.4