On 17/06/2021 09:04, ChunyouTang wrote: > From: ChunyouTang <tangchunyou@xxxxxxxxxxxx> > > The 'break' can cause 'Memory manager not clean during takedown' > > It cannot use break to finish the circulation,it should use > > continue to traverse the circulation.it should put every mapping > > which is not NULL. You don't appear to have answered my question about whether you've actually seen this happen (and ideally what circumstances). In my previous email[1] I explained why I don't think this is needed. You need to convince me that I've overlooked something. Thanks, Steve [1] https://lore.kernel.org/r/31644881-134a-2d6e-dddf-e658a3a8176b%40arm.com > Signed-off-by: ChunyouTang <tangchunyou@xxxxxxxxxxxx> > --- > drivers/gpu/drm/panfrost/panfrost_job.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c > index 6003cfeb1322..52bccc1d2d42 100644 > --- a/drivers/gpu/drm/panfrost/panfrost_job.c > +++ b/drivers/gpu/drm/panfrost/panfrost_job.c > @@ -281,7 +281,7 @@ static void panfrost_job_cleanup(struct kref *ref) > if (job->mappings) { > for (i = 0; i < job->bo_count; i++) { > if (!job->mappings[i]) > - break; > + continue; > > atomic_dec(&job->mappings[i]->obj->gpu_usecount); > panfrost_gem_mapping_put(job->mappings[i]); >