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 should return 'ret' immediately if init_pmu_by_type() failed.
amdgpu_device_init()
r = amdgpu_pmu_init(adev);
This patch is also to update the indenting on the arguments so they line up with the '('.
Fixes: 9c7c85f7ea1f ("drm/amdgpu: add pmu counters")
Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
---
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().
v2->v3: change the subject for this patch; return 'ret' immediately if failed to call init_pmu_by_type().
drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
index 0e6dba9..b702322 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
@@ -252,8 +252,11 @@ 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);
+ if (ret)
+ return ret;
/* other pmu types go here*/
break;
--
2.7.4
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