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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 DD951C433FB for ; Tue, 14 Jul 2020 18:55:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B171922B45 for ; Tue, 14 Jul 2020 18:55:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594752915; bh=JWG7+TRaw8KM0rnneWTrc86o5aSOOmpb0FdLuyLoM4o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vSgNng75InIiafJFUo+3KqAhuVvOF+5XakqdnfWrXSdTvdu6yqYR1QF9LYL4wWz76 PoyIG9eC1Trw78XVJnMivG2cUugwRvPl3YfERtN3TQcqb0fIJXSjioIwzqI+QLl8sK ANx6/EEQtKhrWRvEpz9b11fNZtr8C+UhmBt3PpxQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730847AbgGNSzN (ORCPT ); Tue, 14 Jul 2020 14:55:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:52740 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730833AbgGNSzI (ORCPT ); Tue, 14 Jul 2020 14:55:08 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 04D2222B45; Tue, 14 Jul 2020 18:55:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594752908; bh=JWG7+TRaw8KM0rnneWTrc86o5aSOOmpb0FdLuyLoM4o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0f7ySXR26Hf+EUCdWC4STrXH4iMkNKqvH4Hi3NIzrJgFNmPQ98OWC2C+Vpsde3Li0 khdcliMnC9vyH/ReAvPhcxEPpW0xaUUg5nwAmGc0ePSp3KwwWj3pD1A2PkE98+zK7P 5SCuY4qGLV5Mqm4VnHls0xY6HZuSDxvBQLPvJRSY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kamal Dasu , Miquel Raynal , Sasha Levin Subject: [PATCH 5.7 046/166] mtd: set master partition panic write flag Date: Tue, 14 Jul 2020 20:43:31 +0200 Message-Id: <20200714184118.087679531@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200714184115.844176932@linuxfoundation.org> References: <20200714184115.844176932@linuxfoundation.org> User-Agent: quilt/0.66 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 From: Kamal Dasu [ Upstream commit 630e8d5507d9f55dfa98134bfcadefb6cfba4fbb ] Check and set master panic write flag so that low level drivers can use it to take required action to ensure oops data gets written to assigned mtdoops device partition. Fixes: 9f897bfdd89f ("mtd: Add flag to indicate panic_write") Signed-off-by: Kamal Dasu Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20200615155134.32007-1-kdasu.kdev@gmail.com Signed-off-by: Sasha Levin --- drivers/mtd/mtdcore.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 29d41003d6e0d..f8317ccd8f2a6 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -1235,8 +1235,8 @@ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, return -EROFS; if (!len) return 0; - if (!mtd->oops_panic_write) - mtd->oops_panic_write = true; + if (!master->oops_panic_write) + master->oops_panic_write = true; return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len, retlen, buf); -- 2.25.1