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=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,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 9392AC433DB for ; Wed, 30 Dec 2020 13:26:44 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8F76D22227 for ; Wed, 30 Dec 2020 13:26:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F76D22227 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4D5XB94RHCzDqJP for ; Thu, 31 Dec 2020 00:26:41 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=sashal@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=tsjOpU4v; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4D5Wht3m84zDqJW for ; Thu, 31 Dec 2020 00:04:46 +1100 (AEDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id 25A942226A; Wed, 30 Dec 2020 13:04:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609333481; bh=bDaH0qxvKMZ3wwj/g24R05lfirUzzJc70cmssiyJNZU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tsjOpU4v4dmECqh/bBAgVpcYCrLT7NgzavDoGvMsVBLeDeFqlx0Aw7oigvk6BlQEK tYVVDUFrAYiN+LAgDgFpANQY82y4m1X61Nacs34qv+gCA6oE42/9sMF3Eh3x4laJ3f UoKYTRHjdzpUbRJpsoUgg6wtCHiooXE+0dKCXHGW4STRPsb9QdLeTat6O8szAipuYQ h5jBZxwVkLcK/ZJNZ74QLn2nOLtIOJB280D1Wo7/Gucgq7ExcbBuGOrO97/g0xNkB2 eWjzjOb7a7IG+QnEDZplXD62yGOVFjT74FrdmFwAvrVM+RG9v3qOdySUUJSE80Xd1N VYktHQ/aAReYg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 4/8] powerpc: sysdev: add missing iounmap() on error in mpic_msgr_probe() Date: Wed, 30 Dec 2020 08:04:32 -0500 Message-Id: <20201230130436.3637579-4-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201230130436.3637579-1-sashal@kernel.org> References: <20201230130436.3637579-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linuxppc-dev@lists.ozlabs.org, Qinglang Miao Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Qinglang Miao [ Upstream commit ffa1797040c5da391859a9556be7b735acbe1242 ] I noticed that iounmap() of msgr_block_addr before return from mpic_msgr_probe() in the error handling case is missing. So use devm_ioremap() instead of just ioremap() when remapping the message register block, so the mapping will be automatically released on probe failure. Signed-off-by: Qinglang Miao Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20201028091551.136400-1-miaoqinglang@huawei.com Signed-off-by: Sasha Levin --- arch/powerpc/sysdev/mpic_msgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index 280e964e1aa88..497e86cfb12e0 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -196,7 +196,7 @@ static int mpic_msgr_probe(struct platform_device *dev) /* IO map the message register block. */ of_address_to_resource(np, 0, &rsrc); - msgr_block_addr = ioremap(rsrc.start, resource_size(&rsrc)); + msgr_block_addr = devm_ioremap(&dev->dev, rsrc.start, resource_size(&rsrc)); if (!msgr_block_addr) { dev_err(&dev->dev, "Failed to iomap MPIC message registers"); return -EFAULT; -- 2.27.0