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,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 03D5AC4360F for ; Thu, 14 Feb 2019 14:50:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF0252229F for ; Thu, 14 Feb 2019 14:50:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="pJpr5xvt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407323AbfBNOur (ORCPT ); Thu, 14 Feb 2019 09:50:47 -0500 Received: from mail-qt1-f196.google.com ([209.85.160.196]:46119 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2439324AbfBNOtq (ORCPT ); Thu, 14 Feb 2019 09:49:46 -0500 Received: by mail-qt1-f196.google.com with SMTP id y20so7026983qtm.13 for ; Thu, 14 Feb 2019 06:49:45 -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=Al89NpupvfZvzBikplZ0PcauK1wQlzW/uE8qgbOT/SY=; b=pJpr5xvtUAjUJWpURhnPcWNTSV61J+pt4ZvWEWqt2dhyoDdRLyOfpnydSu3hiyOE4t byJLhaumPjfJZC/mz+3u+af6gynVCSCLBoeNPkZLsUCQpBl1HmhbBRQ79L0ALWEyw1Mc /kftsyY+4LQCpggccbtPJ/vAC4RW+LLEaZvQe1dEvw4CMiCPF+kcHhBPmQI3U2TiyNgT f7hkeGPUhCKhGWdrMZCkoqi0e7anvPePWhQJp2F16K4MVLOrZZnaIUDpqat8Ja8aflGh 8pa/7zlxlNjE+y/krS/ASmgb9chS0t4t52/6bUvhkMz/nN2zr5WQanfcCeq5myKYCKCa AWTA== 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=Al89NpupvfZvzBikplZ0PcauK1wQlzW/uE8qgbOT/SY=; b=ZAHAefWlhDRxrjmuiXzWsO57BkkTpZ7BXrQmpuQR8GtYrZgG/2UyGsMtu6QcUSkrkH 53KrQcrq/a3DiAF8HFWBUKF+Lo7+tMafbsdHpFOTAWj9OXnjT385ZvZHKHeBzOCNJu7n m49baTZsBq7uu+ltT03lDubFn25CcJa1Xc1JsxcGQplgDE3w6m6ze1XjDun8BbIh1mR2 nB9CCoQu359Uu+DZIrYWD7KXxF0RARubZV7ooOKHavlvClnc1iZiEgoaADvhzb75x8BR zjjaHeWFyZf6tv+GdvPshpnhuSKaEAzp7+xBvHX42iEu8yXJDFrwEwCqKBEBUzwLwKBr 9meA== X-Gm-Message-State: AHQUAuYh1UtTRp6511gh2P/IUiiuJa0on5Ha0hT8S7gI5TA0W2vrAQ02 I50eOoXFFU0iVAr/Ty11TXaDRQ== X-Google-Smtp-Source: AHgI3IY6xdj32cNiqp1cqU8Z6po4iX/FAASpw8YLC1v6uJLVWZOQ1fH4NVxIE5gQXqiqY6Tq4n5zGg== X-Received: by 2002:a0c:9e05:: with SMTP id p5mr3172793qve.246.1550155785194; Thu, 14 Feb 2019 06:49:45 -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 k66sm1498919qkc.25.2019.02.14.06.49.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 06:49:44 -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 4.9 09/16] ARM: 8810/1: vfp: Fix wrong assignement to ufp_exc Date: Thu, 14 Feb 2019 09:49:23 -0500 Message-Id: <20190214144930.27539-10-dave.long@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190214144930.27539-1-dave.long@linaro.org> References: <20190214144930.27539-1-dave.long@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 df3fa52c0aa3..00dd8cf36632 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