From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2ABBC43381 for ; Mon, 4 Mar 2019 08:40:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 751F820823 for ; Mon, 4 Mar 2019 08:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551688818; bh=DOfVXKSdfbJlGNXbihxBKy7hldGfobdoGXNWgVK3LBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wKjIkf8JwakwuKEysp+8T4O35Htmr/Tqvx3vnJelYotG4UqUycS3dvMTrXYZ7hsrw 5oUw/folIaB77hgrYhcDrIg3JjyOUXYeALoaIi9sh6Gjlg1jDNtN57aj3AJ8VcuLVP xgWhToF+ZEUlyq4auNLvcK80BWGOFJUBxvyHXR1Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728159AbfCDIdG (ORCPT ); Mon, 4 Mar 2019 03:33:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:37368 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728158AbfCDIdF (ORCPT ); Mon, 4 Mar 2019 03:33:05 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A388E21473; Mon, 4 Mar 2019 08:33:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551688385; bh=DOfVXKSdfbJlGNXbihxBKy7hldGfobdoGXNWgVK3LBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zlwYREc017t4+zBbSCj48ajVW06/4z0bO1iHmTN5Cbyeb/wtNy8NM3+PesKIq7xpW /xS8llrlOG5IZix01C8QIiq8qbZMHcn2M7DqPvm3E5E743KPAOAUdm3KQSNVpDCkRz ky5mwnxzj9JxMnApwJ8VptIsImRLAgXjIASRktAQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yang Yingliang , Marc Zyngier , Sasha Levin Subject: [PATCH 4.20 29/88] irqchip/gic-v3-mbi: Fix uninitialized mbi_lock Date: Mon, 4 Mar 2019 09:22:12 +0100 Message-Id: <20190304081631.756766978@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190304081630.610632175@linuxfoundation.org> References: <20190304081630.610632175@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit c530bb8a726a37811e9fb5d68cd6b5408173b545 ] The mbi_lock mutex is left uninitialized, so let's use DEFINE_MUTEX to initialize it statically. Fixes: 505287525c24d ("irqchip/gic-v3: Add support for Message Based Interrupts as an MSI controller") Signed-off-by: Yang Yingliang Signed-off-by: Marc Zyngier Signed-off-by: Sasha Levin --- drivers/irqchip/irq-gic-v3-mbi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-mbi.c b/drivers/irqchip/irq-gic-v3-mbi.c index ad70e7c416e30..fbfa7ff6deb16 100644 --- a/drivers/irqchip/irq-gic-v3-mbi.c +++ b/drivers/irqchip/irq-gic-v3-mbi.c @@ -24,7 +24,7 @@ struct mbi_range { unsigned long *bm; }; -static struct mutex mbi_lock; +static DEFINE_MUTEX(mbi_lock); static phys_addr_t mbi_phys_base; static struct mbi_range *mbi_ranges; static unsigned int mbi_range_nr; -- 2.19.1