Need for this patch is discussed in mail-thread [1]. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/204414.html
Thanks -Vinayak On Fri, Oct 18, 2013 at 3:36 PM, Vinayak Kale <vk...@apm.com> wrote: > Return a separate error code when a non-percpu interrupt is passed to > request_percpu_irq(). > > Suggested-by: Will Deacon <will.dea...@arm.com> > Signed-off-by: Vinayak Kale <vk...@apm.com> > --- > kernel/irq/manage.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c > index 514bcfd..c2713ae 100644 > --- a/kernel/irq/manage.c > +++ b/kernel/irq/manage.c > @@ -1671,10 +1671,12 @@ int request_percpu_irq(unsigned int irq, > irq_handler_t handler, > return -EINVAL; > > desc = irq_to_desc(irq); > - if (!desc || !irq_settings_can_request(desc) || > - !irq_settings_is_per_cpu_devid(desc)) > + if (!desc || !irq_settings_can_request(desc)) > return -EINVAL; > > + if (!irq_settings_is_per_cpu_devid(desc)) > + return -EPERM; > + > action = kzalloc(sizeof(struct irqaction), GFP_KERNEL); > if (!action) > return -ENOMEM; > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/