On Fri, 25 Aug 2017, Dan Carpenter wrote: > I reversed these two checks so we check "root_irq_data" for NULL before > dereferencing it. Can you please start to write coherent changelogs? See Documentation/process/submitting-patches.rst The above describes the change you made which is completely pointless because we can see the change in the patch. What's missing is WHY this is required and WHAT the problem with the existing code is. Thanks, tglx > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c > index b9c688944429..e84b7056bb08 100644 > --- a/kernel/irq/irqdomain.c > +++ b/kernel/irq/irqdomain.c > @@ -1505,10 +1505,10 @@ int irq_domain_push_irq(struct irq_domain *domain, int virq, void *arg) > if (WARN_ON(!irq_domain_is_hierarchy(domain))) > return -EINVAL; > > - if (domain->parent != root_irq_data->domain) > + if (!root_irq_data) > return -EINVAL; > > - if (!root_irq_data) > + if (domain->parent != root_irq_data->domain) > return -EINVAL; > > child_irq_data = kzalloc_node(sizeof(*child_irq_data), GFP_KERNEL, > -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
