[PATCH -next v2] drm/amdgpu: return 'ret' in amdgpu_pmu_init

[Mao Wenan]

There is one warning:
drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c: In function ‘amdgpu_pmu_init’:
drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c:249:6: warning: variable ‘ret’ set but 
not used [-Wunused-but-set-variable]
  int ret = 0;
      ^
amdgpu_pmu_init() is called by amdgpu_device_init() in 
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c,
which will use the return value. So it returns 'ret' for caller.
amdgpu_device_init()
        r = amdgpu_pmu_init(adev);

Fixes: 9c7c85f7ea1f ("drm/amdgpu: add pmu counters")

Signed-off-by: Mao Wenan <maowe...@huawei.com>
---
 v1->v2: change the subject for this patch; change the indenting when it calls 
init_pmu_by_type; use the value 'ret' in
 amdgpu_pmu_init().
 drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
index 0e6dba9..145e720 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
@@ -252,8 +252,8 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
        case CHIP_VEGA20:
                /* init df */
                ret = init_pmu_by_type(adev, df_v3_6_attr_groups,
-                                      "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
-                                      DF_V3_6_MAX_COUNTERS);
+                                                          "DF", "amdgpu_df", 
PERF_TYPE_AMDGPU_DF,
+                                                          
DF_V3_6_MAX_COUNTERS);
 
                /* other pmu types go here*/
                break;
@@ -261,7 +261,7 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
                return 0;
        }
 
-       return 0;
+       return ret;
 }
 
 
-- 
2.7.4