[PATCH] drm/amdgpu: optimize list operation in amdgpu_xgmi

[Kevin Wang]

simplify the list opertion.

Signed-off-by: Kevin Wang <kevin1.wang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 541ef6be390f..659b385b27b5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -324,7 +324,7 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
 
 struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
 {
-	struct amdgpu_hive_info *hive = NULL, *tmp = NULL;
+	struct amdgpu_hive_info *hive = NULL;
 	int ret;
 
 	if (!adev->gmc.xgmi.hive_id)
@@ -337,11 +337,9 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
 
 	mutex_lock(&xgmi_mutex);
 
-	if (!list_empty(&xgmi_hive_list)) {
-		list_for_each_entry_safe(hive, tmp, &xgmi_hive_list, node)  {
-			if (hive->hive_id == adev->gmc.xgmi.hive_id)
-				goto pro_end;
-		}
+	list_for_each_entry(hive, &xgmi_hive_list, node)  {
+		if (hive->hive_id == adev->gmc.xgmi.hive_id)
+			goto pro_end;
 	}
 
 	hive = kzalloc(sizeof(*hive), GFP_KERNEL);
-- 
2.17.1