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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5A4CC433F5 for ; Wed, 23 Mar 2022 23:33:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345736AbiCWXfO (ORCPT ); Wed, 23 Mar 2022 19:35:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346014AbiCWXfJ (ORCPT ); Wed, 23 Mar 2022 19:35:09 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C40074DCC for ; Wed, 23 Mar 2022 16:33:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648078416; x=1679614416; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GOiAjTPeaO1Y67tWOWbtPHqr4adIVhLTpNaSxGdkoOM=; b=Zfa0alzxX9dYntwo6fZ+b69hENuH6GeKsc9eUk7hmI67SH//OUfWB+dX ZhUzvl8ZqL9E9YErs4kvZleK6eEkKM2yaXbSvMMrIVdfsrd5/wQAgB0NX o4+8jFt8j/sLiOqhuD2+qfg1J06JLqqLmOz9PvD3FNrjCAuRUuG9+taSu o/RL+AKEUkvMDkJWBKnlwtrkRyQF+wdEp5u2ADtgytakYahbU7VpEZ83u N6b3P6oIZ7D+A9wDH7uueUZ+MFGl56g9I5YAL3JPIYGDPM87cK61Q+ieH QDzwCk6lJN0nvqBmJA46tuDOPV09Ovl3oJBJtmzK3uFj5Xm99531OV7pK g==; X-IronPort-AV: E=McAfee;i="6200,9189,10295"; a="258202352" X-IronPort-AV: E=Sophos;i="5.90,205,1643702400"; d="scan'208";a="258202352" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2022 16:33:36 -0700 X-IronPort-AV: E=Sophos;i="5.90,205,1643702400"; d="scan'208";a="583880264" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.212.130.166]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2022 16:33:35 -0700 From: Russ Weight To: mcgrof@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, linux-kernel@vger.kernel.org Cc: trix@redhat.com, lgoncalv@redhat.com, yilun.xu@intel.com, hao.wu@intel.com, matthew.gerlach@intel.com, basheer.ahmed.muddebihal@intel.com, tianfei.zhang@intel.com, Russ Weight Subject: [RESEND PATCH v1 1/8] firmware_loader: Clear data and size in fw_free_paged_buf Date: Wed, 23 Mar 2022 16:33:24 -0700 Message-Id: <20220323233331.155121-2-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220323233331.155121-1-russell.h.weight@intel.com> References: <20220323233331.155121-1-russell.h.weight@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The fw_free_paged_buf() function resets the paged buffer information in the fw_priv data structure. Additionally, clear the data and size members of fw_priv in order to facilitate the reuse of fw_priv. This is being done in preparation for enabling userspace to initiate multiple firmware uploads using this sysfs interface. Signed-off-by: Russ Weight --- v1: - No change from RFC patch --- drivers/base/firmware_loader/main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 94d1789a233e..2cc11d93753a 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -253,6 +253,8 @@ void fw_free_paged_buf(struct fw_priv *fw_priv) fw_priv->pages = NULL; fw_priv->page_array_size = 0; fw_priv->nr_pages = 0; + fw_priv->data = NULL; + fw_priv->size = 0; } int fw_grow_paged_buf(struct fw_priv *fw_priv, int pages_needed) -- 2.25.1