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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 3D2C7C43381 for ; Thu, 14 Feb 2019 02:11:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 09307222A4 for ; Thu, 14 Feb 2019 02:11:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="R3lYUvOz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388581AbfBNCLa (ORCPT ); Wed, 13 Feb 2019 21:11:30 -0500 Received: from mail-qt1-f193.google.com ([209.85.160.193]:33762 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403960AbfBNCKj (ORCPT ); Wed, 13 Feb 2019 21:10:39 -0500 Received: by mail-qt1-f193.google.com with SMTP id z39so5238599qtz.0 for ; Wed, 13 Feb 2019 18:10:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=WeFsULKehq8jGUkRqP49XwEy/ibmR7uFLb5YfBUBkPg=; b=R3lYUvOzi0+V8DbmxPIDUt1Dx4wG26aUxaGi4hDa/1pCCNVDrIONxfIgRzxE9Fpe3g DWgiPypw8lWYvB/vI7+5a1+CpsDxeOGtZInC8/JXrtr3sWx5Z6PThtz1jsIptgrnlfXg XqSo6pLz582sgBt85uVU/bmxPCLCU5682nsFQ182bIGROLIl+00I6pxEU2w2kpFOEcY/ t5dc3c98u93YJbs2c9PQkAYPxVGx9/atVR6lt5sxJk11Yg12vsY+ndWehKQ7ndsRa4US /4/angB3m+fL2vTcIBlbfH2a9nMggpk2lIfSXo81L7KwIpJV9d4mkeQYFk1pWuBaD6yg S4RQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=WeFsULKehq8jGUkRqP49XwEy/ibmR7uFLb5YfBUBkPg=; b=hk0wmWvbq7Y83Utomg+GtjxNr6VOyNX60WdKbzzI5VX/hfp6TBGdkwbUMbBlXBbaiY I5QR1lDysEN7CfP5CniGFoNytU6N+7Ao3YXtspOtmMUI2lA8SOmGQuWI42R00xmKwRCi m2LLzssPu6zUmbcRK9vfUjHARjF5qGMyzn0yT65U8m399e2IM3OoAmUCVRAgjEyWlGuC DjnluulDp6WfpmITKlRzA3BoMAc1mTxPDBqO/1p+GNWuNBlVWay6zovbLUoVjFm8tfDh 851BF1BPtA2vsJy3Jqe7chKMcD7PYoasyFbkx0ByO13Pu7GO4U/QY8AEKRdINi/qI7Vd 6uaA== X-Gm-Message-State: AHQUAuYhOenF4uw9akj357H8RwLjgtLe1UPXgSyFEZ/1B0wAXJ+kv7ph gQqGRZLqwMoH//7NjY5YG+kqnpkTTlg= X-Google-Smtp-Source: AHgI3IY0+/3ScFqLVlOcwskHRQBCj3PjT9tL4yL6mLIQg/nPNZAA90sQvyyiFsfhmamPojLVrpuF4Q== X-Received: by 2002:ac8:2de4:: with SMTP id q33mr1050917qta.358.1550110238505; Wed, 13 Feb 2019 18:10:38 -0800 (PST) Received: from localhost.localdomain (pool-72-71-243-63.cncdnh.fast00.myfairpoint.net. [72.71.243.63]) by smtp.googlemail.com with ESMTPSA id d63sm1091575qka.22.2019.02.13.18.10.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Feb 2019 18:10:37 -0800 (PST) From: David Long To: stable@vger.kernel.org, Russell King - ARM Linux , Florian Fainelli , Julien Thierry , Tony Lindgren , Marc Zyngier , Greg KH , Mark Rutland Cc: Will Deacon , Mark Brown , linux-kernel@vger.kernel.org Subject: [PATCH 4.14 V2 10/17] ARM: 8810/1: vfp: Fix wrong assignement to ufp_exc Date: Wed, 13 Feb 2019 21:10:15 -0500 Message-Id: <20190214021022.5313-11-dave.long@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190214021022.5313-1-dave.long@linaro.org> References: <20190214021022.5313-1-dave.long@linaro.org> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Julien Thierry Commit 5df7a99bdd0de4a0480320264c44c04543c29d5a upstream. In vfp_preserve_user_clear_hwstate, ufp_exc->fpinst2 gets assigned to itself. It should actually be hwstate->fpinst2 that gets assigned to the ufp_exc field. Fixes commit 3aa2df6ec2ca6bc143a65351cca4266d03a8bc41 ("ARM: 8791/1: vfp: use __copy_to_user() when saving VFP state"). Reported-by: David Binderman Signed-off-by: Julien Thierry Signed-off-by: Russell King Signed-off-by: David A. Long --- arch/arm/vfp/vfpmodule.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 6bacd69c9e81..8e11223d32a1 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -579,7 +579,7 @@ int vfp_preserve_user_clear_hwstate(struct user_vfp *ufp, */ ufp_exc->fpexc = hwstate->fpexc; ufp_exc->fpinst = hwstate->fpinst; - ufp_exc->fpinst2 = ufp_exc->fpinst2; + ufp_exc->fpinst2 = hwstate->fpinst2; /* Ensure that VFP is disabled. */ vfp_flush_hwstate(thread); -- 2.17.1