[AMD Official Use Only - AMD Internal Distribution Only] Hi SRINIVASAN, Please pause this patch. The original intention of the patch was to avoid creating an empty directory ("gpu_od") , as this change may result in incorrect results. Thanks. Best Regards, Kevin -----Original Message----- From: SHANMUGAM, SRINIVASAN <SRINIVASAN.SHANMUGAM@xxxxxxx> Sent: Tuesday, May 28, 2024 2:53 PM To: Koenig, Christian <Christian.Koenig@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; SHANMUGAM, SRINIVASAN <SRINIVASAN.SHANMUGAM@xxxxxxx>; Ma, Jun <Jun.Ma2@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx> Subject: [PATCH] drm/amdgpu: Fix missing error code in amdgpu_od_set_init This commit ensures that an error code -EINVAL is set in the amdgpu_od_set_init function when the od_kobj_list has only one entry, indicating that the list is not in the expected state. Fixes the below: drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_pm.c:4355 amdgpu_od_set_init() warn: missing error code 'ret' Fixes: d9a3a5e770dc ("drm/amdgpu/pm: Remove gpu_od if it's an empty directory") Cc: Ma Jun <Jun.Ma2@xxxxxxx> Cc: Yang Wang <kevinyang.wang@xxxxxxx> Cc: Lijo Lazar <lijo.lazar@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: Christian König <christian.koenig@xxxxxxx> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx> --- drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index d5d6ab484e5a..86118fbfc33c 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -4463,8 +4463,10 @@ static int amdgpu_od_set_init(struct amdgpu_device *adev) * If gpu_od is the only member in the list, that means gpu_od is an * empty directory, so remove it. */ - if (list_is_singular(&adev->pm.od_kobj_list)) + if (list_is_singular(&adev->pm.od_kobj_list)) { + ret = -EINVAL; goto err_out; + } return 0; -- 2.34.1