From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1414047-1519989460-2-3289713529936838442 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.249, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519989459; b=vmxlE5AbPBs5Dqap59gGQwYTo42XR4Z4GpBN42ZFOz9oPtl Y7k8UK1SfepVIWxEWyJybrZqIqoaECgs/JG8/1WzH/PLIC7yv5S5nyE3vsHwWA+9 rv627BQDVSIzwu/H6QQTKWNxprlXh7ksWeg4Uig8tZnRmkZgQdVzpy4OSxpV8cx/ vJkrhouTUFow8vcRcFH/GcjS5mqARxlU/WjH/zZ3EDwZw7VJ/XJjF1tfAA5MFQDy EUHEA5kzwfgCVCj3xZpqJO5me2IfmRHRPuGRGNQ4BjV0g9VXvJ47A5mIJp+NPxKd OWNRLCd4Vpgd0Ya11rBrNZZjkFLr7pfq/0Tfgzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519989459; bh=RD9BKGjtCQPzCTYQF3uoRCO77b whw6nfKtYEeH2aEW8=; b=B7s/fzlfLs8OWm34EkcSkQ8N+icEvjM5tJ4kiEzJL8 ZymzxsPJi6QNtR6zRrQDCtuyIDg/Cuv37tNXQImetQXn8vAryCt9FW+zQwRZln35 PGldOMGbiHetgqtK51w7DJGTbdQ2UaHVdMCyc587QTX9ccEbSYZ2diw4C5eHG0NB LT3wWXL2fLrVykPPWDDmxv4DzyELxw3rnzYblGT9e+jBQYhxbnznwUV9RGswJaYR Bx5vtlmTwtcUBBxgOYrl4PRgAZnYOn4DIHr3CP/vugw+r+akWhLO1HVetDRYyUMG w+8yyeyxdUnzCNPJjxjzzJI0yBYcI9v7FZwpf5GYHcrw== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423433AbeCBLQy (ORCPT ); Fri, 2 Mar 2018 06:16:54 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:50136 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423353AbeCBIxj (ORCPT ); Fri, 2 Mar 2018 03:53:39 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yangbo Lu , Richard Cochran , Fabio Estevam , "David S. Miller" , Sasha Levin Subject: [PATCH 3.18 24/24] net: gianfar_ptp: move set_fipers() to spinlock protecting area Date: Fri, 2 Mar 2018 09:51:21 +0100 Message-Id: <20180302084240.311289329@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180302084239.157503766@linuxfoundation.org> References: <20180302084239.157503766@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yangbo Lu [ Upstream commit 11d827a993a969c3c6ec56758ff63a44ba19b466 ] set_fipers() calling should be protected by spinlock in case that any interrupt breaks related registers setting and the function we expect. This patch is to move set_fipers() to spinlock protecting area in ptp_gianfar_adjtime(). Signed-off-by: Yangbo Lu Acked-by: Richard Cochran Reviewed-by: Fabio Estevam Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/freescale/gianfar_ptp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -314,11 +314,10 @@ static int ptp_gianfar_adjtime(struct pt now = tmr_cnt_read(etsects); now += delta; tmr_cnt_write(etsects, now); + set_fipers(etsects); spin_unlock_irqrestore(&etsects->lock, flags); - set_fipers(etsects); - return 0; }