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 8005CC433F5 for ; Tue, 8 Mar 2022 21:49:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350576AbiCHVul (ORCPT ); Tue, 8 Mar 2022 16:50:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350542AbiCHVuf (ORCPT ); Tue, 8 Mar 2022 16:50:35 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C44F055776 for ; Tue, 8 Mar 2022 13:49:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646776178; x=1678312178; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GOiAjTPeaO1Y67tWOWbtPHqr4adIVhLTpNaSxGdkoOM=; b=K71S3bytmDK9Z1Q//mQib1iYNoN/h+K/wN+JvTldNasTtPWvITulPbGy FMe3GBMZicua9n76fOLeDvkZ25ydfIwtePho/GwY2e6DvfCtqNsn2JLNv JF9nkgJt/3VWaWZV0iClXtCKG0gzA9GZUrCTF1h1J/iPaF0MwTxCKdyts JdYUdobmj9/CC4Zo/PaD5ABwIidS828rooh3pqStGuQ0xUB6d7SlxDS7M ZBLM6jlD/kA8lfvSiB01QbJBCr3mDkhGGKahJwMSTewD5NdNLgUBwqUDI OZi9JBQHfPyJOiqnPD993RkLumXU9qRI3lisr6W5orvwxwYNhZbuYa6Ws w==; X-IronPort-AV: E=McAfee;i="6200,9189,10280"; a="254553225" X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="254553225" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2022 13:49:37 -0800 X-IronPort-AV: E=Sophos;i="5.90,165,1643702400"; d="scan'208";a="495612828" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.212.239.204]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2022 13:49:37 -0800 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: [PATCH v1 1/8] firmware_loader: Clear data and size in fw_free_paged_buf Date: Tue, 8 Mar 2022 13:49:25 -0800 Message-Id: <20220308214932.24477-2-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220308214932.24477-1-russell.h.weight@intel.com> References: <20220308214932.24477-1-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