From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Wed, 20 May 2015 17:48:19 +0200 (CEST) Subject: [RFC v1 15/25] genirq: Kill the first parameter 'irq' of irq_flow_handler_t In-Reply-To: <555CA929.3080306@linux.intel.com> References: <1432116013-25902-1-git-send-email-jiang.liu@linux.intel.com> <1432116013-25902-16-git-send-email-jiang.liu@linux.intel.com> <555CA929.3080306@linux.intel.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, 20 May 2015, Jiang Liu wrote: > On 2015/5/20 23:28, Thomas Gleixner wrote: > > On Wed, 20 May 2015, Jiang Liu wrote: > >> -static void locomo_handler(unsigned int irq, struct irq_desc *desc) > >> +static void locomo_handler(struct irq_desc *desc) > >> { > >> struct locomo *lchip = irq_desc_get_chip_data(desc); > >> + unsigned int irq; > >> int req, i; > > > > That leaves irq unitialized .... > That should be OK, 'irq' here is just a local variable. > Actually it may be changed as: > if (req) { > /* generate the next interrupt(s) */ > - irq = lchip->irq_base; > + unsigned int irq = lchip->irq_base; Indeed.