Return a separate error code when a non-percpu interrupt is passed to request_percpu_irq().
Suggested-by: Will Deacon <[email protected]> Signed-off-by: Vinayak Kale <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
