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Message-Id: <1382090789-18177-1-git-send-email-vkale@apm.com> Date: Fri, 18 Oct 2013 15:36:29 +0530 From: Vinayak Kale <vkale@....com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: tglx@...utronix.de, will.deacon@....com, Vinayak Kale <vkale@....com> Subject: [PATCH] genirq: error reporting for non-percpu interrupt in request_percpu_irq() Return a separate error code when a non-percpu interrupt is passed to request_percpu_irq(). Suggested-by: Will Deacon <will.deacon@....com> Signed-off-by: Vinayak Kale <vkale@....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 majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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