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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 72E16C43381 for ; Fri, 15 Feb 2019 02:40:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4383A21A80 for ; Fri, 15 Feb 2019 02:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550198457; bh=8UN0B3TRD+hX+0lpLPRtGT187EZVzcIQSZfk1WFAYjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Jru3S6lpcGIkgYcoeZI6s5al2Djpf0pGpLCn7HFe7nrPqnEScSzbLVqdAVwH93fS7 /ipIl2gS+I4jZdpFCvg5nm45OxK9A2rntofHFIsxd8ELuGMXoYGV+f5DCSGyX6M/T9 ypuNifgj1E7GCz0zqTLuAttx8XihA+B0V9D5+gnA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389179AbfBOCJs (ORCPT ); Thu, 14 Feb 2019 21:09:48 -0500 Received: from mail.kernel.org ([198.145.29.99]:49964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389129AbfBOCJs (ORCPT ); Thu, 14 Feb 2019 21:09:48 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1FF7F222D4; Fri, 15 Feb 2019 02:09:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550196587; bh=8UN0B3TRD+hX+0lpLPRtGT187EZVzcIQSZfk1WFAYjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ctQJo0u67GiuEWZN2IaAF2qf5J7L0u6f3TAAndhfBF465KrazxCfVbFlJ+9hnFQ6V SaNb3eBq9Xn8GozujYBZLJUTW5QTRc3sCxeWYNJiMTLFoR5UHWb1f0QxMawJ79Omtk +OwrujlWIsm84xdAHQfLP0zyCo4E0H5ohjTsqlFE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yang Yingliang , Marc Zyngier , Sasha Levin Subject: [PATCH AUTOSEL 4.20 31/77] irqchip/gic-v3-mbi: Fix uninitialized mbi_lock Date: Thu, 14 Feb 2019 21:08:09 -0500 Message-Id: <20190215020855.176727-31-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190215020855.176727-1-sashal@kernel.org> References: <20190215020855.176727-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yang Yingliang [ 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 ad70e7c416e3..fbfa7ff6deb1 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