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,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 8A86AC43381 for ; Mon, 18 Feb 2019 13:57:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BCA32077B for ; Mon, 18 Feb 2019 13:57:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550498265; bh=7I3d22eDGavfk/iiSDx3w/rr7gZ0BpGHVQ8kyKgqNrU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Sq/wB7fjCyr6fTqrXAuPp+o+qOfeo0tZB4fKGYxwT0uNFuwReMwJ3qq+2RM677GS1 gFyMLK8a0uxbWQxTgxDM7UFND/z7ZOawIuSqSCMEH/CgkNANlA6UWzfhn3n9niFCH/ 45BrrACfg92xSB3j6JNOR44MFT2d5X6q3kTIrZIM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388143AbfBRN5o (ORCPT ); Mon, 18 Feb 2019 08:57:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:38188 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733173AbfBRN5l (ORCPT ); Mon, 18 Feb 2019 08:57:41 -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 F28AD2077B; Mon, 18 Feb 2019 13:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550498260; bh=7I3d22eDGavfk/iiSDx3w/rr7gZ0BpGHVQ8kyKgqNrU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mMNDI2Wze/+6SgI1QIP31KxuWNOugLP7HkSIryZIFPaeUiHHQ/C921Du7xwTUH7cK iTWAB9GPyml3XkoNf3lb6Boh2pH//Kt49ti/zh9a3V6L2XVZce2tBrwVfgXXnrbFen 7d5mvtgHVBasL8x/7yonYN+gUk9hL/Q4sn9KJcrI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Binderman , Julien Thierry , Russell King , "David A. Long" , Sasha Levin Subject: [PATCH 4.9 12/58] ARM: 8810/1: vfp: Fix wrong assignement to ufp_exc Date: Mon, 18 Feb 2019 14:43:33 +0100 Message-Id: <20190218133509.522680760@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190218133508.567416115@linuxfoundation.org> References: <20190218133508.567416115@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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ 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 Reviewed-by: Julien Thierry Signed-off-by: Sasha Levin --- 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); -- 2.19.1