On 4/17/2024 7:52 PM, Lazar, Lijo wrote: > > > On 4/17/2024 11:23 AM, Ma Jun wrote: >> gpu_od should be removed if it's an empty directory >> >> Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx> >> Reported-by: Yang Wang <kevinyang.wang@xxxxxxx> >> --- >> drivers/gpu/drm/amd/pm/amdgpu_pm.c | 7 +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c >> index a20e03e69d38..0c13e5520e77 100644 >> --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c >> +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c >> @@ -4338,6 +4338,13 @@ static int amdgpu_od_set_init(struct amdgpu_device *adev) >> } >> } >> >> + /* >> + * If gpu_od is the first member in the list, that means gpu_od is an >> + * empty directory, so remove it. >> + */ >> + if (list_is_first(&top_set->entry, &adev->pm.od_kobj_list)) > > Instead of assuming any order, what about using "list_is_singular" - if > this is the only entry in the list? > Thanks, will update it when push. Regards, Ma Jun > Thanks, > Lijo >> + goto err_out; >> + >> return 0; >> >> err_out: