Am 2021-05-21 um 11:02 a.m. schrieb Guenter Roeck: > The first parameter passed to container_of() is the pointer to the work > structure passed to the worker and never NULL. The NULL check on the > result of container_of() is therefore unnecessary and misleading. > Remove it. > > This change was made automatically with the following Coccinelle script. > > @@ > type t; > identifier v; > statement s; > @@ > > <+... > ( > t v = container_of(...); > | > v = container_of(...); > ) > ... > when != v > - if (\( !v \| v == NULL \) ) s > ...+> > > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Thank you. The patch looks good to me. I caught a few such pointless checks in code review but must have missed this one. I'll apply your patch to amd-staging-drm-next. The patch is Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx> > --- > drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c > index 5b6c5669c03d..2f8d352e0069 100644 > --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c > @@ -110,8 +110,6 @@ static void kfd_sdma_activity_worker(struct work_struct *work) > > workarea = container_of(work, struct kfd_sdma_activity_handler_workarea, > sdma_activity_work); > - if (!workarea) > - return; > > pdd = workarea->pdd; > if (!pdd)