From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 20 May 2015 17:48:19 +0200 (CEST) From: Thomas Gleixner To: Jiang Liu cc: Bjorn Helgaas , Benjamin Herrenschmidt , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Russell King , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , Hans Ulli Kroll , Shawn Guo , Sascha Hauer , Roland Stigge , Tony Lindgren , Rajendra Nayak , Paul Walmsley , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Kukjin Kim , Krzysztof Kozlowski , Arnd Bergmann , Konrad Rzeszutek Wilk , Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Russell King , linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: Re: [RFC v1 15/25] genirq: Kill the first parameter 'irq' of irq_flow_handler_t In-Reply-To: <555CA929.3080306@linux.intel.com> Message-ID: 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> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: 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.