Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751257AbdGPEtc (ORCPT ); Sun, 16 Jul 2017 00:49:32 -0400 Received: from guitar.tcltek.co.il ([192.115.133.116]:43894 "EHLO mx.tkos.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750945AbdGPEtb (ORCPT ); Sun, 16 Jul 2017 00:49:31 -0400 Date: Sun, 16 Jul 2017 07:49:26 +0300 From: Baruch Siach To: Julia Lawall Cc: Thomas Gleixner , keescook@chromium.org, kernel-janitors@vger.kernel.org, Jason Cooper , Marc Zyngier , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 10/11] irqchip: digicolor: Drop unnecessary static Message-ID: <20170716044926.ysys7aa3k7pfhtc4@tarshish> References: <1500149266-32357-1-git-send-email-Julia.Lawall@lip6.fr> <1500149266-32357-11-git-send-email-Julia.Lawall@lip6.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1500149266-32357-11-git-send-email-Julia.Lawall@lip6.fr> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1572 Lines: 63 Hi Julia, On Sat, Jul 15, 2017 at 10:07:45PM +0200, Julia Lawall wrote: > Drop static on a local variable, when the variable is initialized before > any possible use. Thus, the static has no benefit. > > The semantic patch that fixes this problem is as follows: > (http://coccinelle.lip6.fr/) > > // > @bad exists@ > position p; > identifier x; > type T; > @@ > static T x@p; > ... > x = <+...x...+> > > @@ > identifier x; > expression e; > type T; > position p != bad.p; > @@ > -static > T x@p; > ... when != x > when strict > ?x = e; > // > > Signed-off-by: Julia Lawall Acked-by: Baruch Siach Thanks, baruch > --- > These patches are all independent of each other. > > drivers/irqchip/irq-digicolor.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -u -p a/drivers/irqchip/irq-digicolor.c b/drivers/irqchip/irq-digicolor.c > --- a/drivers/irqchip/irq-digicolor.c > +++ b/drivers/irqchip/irq-digicolor.c > @@ -71,7 +71,7 @@ static void __init digicolor_set_gc(void > static int __init digicolor_of_init(struct device_node *node, > struct device_node *parent) > { > - static void __iomem *reg_base; > + void __iomem *reg_base; > unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; > struct regmap *ucregs; > int ret; > -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -