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 51A56C433FE for ; Thu, 21 Apr 2022 21:22:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1441940AbiDUVZE (ORCPT ); Thu, 21 Apr 2022 17:25:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1441929AbiDUVZA (ORCPT ); Thu, 21 Apr 2022 17:25:00 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D11A04BFE3 for ; Thu, 21 Apr 2022 14:22:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650576128; x=1682112128; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=bhT7Q8/ADSBtr63pT3T/HE2mvjBAH3w7Yptf5Y/H4HU=; b=ZZv4q1arXrsizz7D1pJHKVn61Gz4Mm92zoKgIUcjGYDwXH2QDd3ADXxc h59YW2SlJ9c4rYTGdTMu0mXxSl1ve5gLhPikdmcjJ2bzei6l73X4bA+wo 9UG9eefYzPNZTo8wFfV4M8ZmuxocqbxT38NphPM3D4ytvFBMil2bj2urc +H5NJ0ChkGjiPE+citzS50HhEZrp1/2QMbaMHfzweptktYZER7bIP38CC AhZcJp0ds9AZ4wIumnNWjpMm+6DKFLevMU6mYGMzzKzPUwTTcPwpKb7tt 0rnhWGlp1U+pPV43fp/XK2cI2/P6hzvQIrJW8ktwOJ1y6OWdLhVXSIgPF w==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="350924990" X-IronPort-AV: E=Sophos;i="5.90,279,1643702400"; d="scan'208";a="350924990" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 14:22:08 -0700 X-IronPort-AV: E=Sophos;i="5.90,279,1643702400"; d="scan'208";a="658704071" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.209.56.239]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2022 14:22:07 -0700 From: Russ Weight To: mcgrof@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, linux-kernel@vger.kernel.org Cc: trix@redhat.com, marpagan@redhat.com, lgoncalv@redhat.com, yilun.xu@intel.com, hao.wu@intel.com, matthew.gerlach@linux.intel.com, basheer.ahmed.muddebihal@intel.com, tianfei.zhang@intel.com, Russ Weight Subject: [PATCH v5 1/8] firmware_loader: Clear data and size in fw_free_paged_buf Date: Thu, 21 Apr 2022 14:21:57 -0700 Message-Id: <20220421212204.36052-2-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220421212204.36052-1-russell.h.weight@intel.com> References: <20220421212204.36052-1-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. Reviewed-by: Luis Chamberlain Reviewed-by: Tianfei zhang Tested-by: Matthew Gerlach Signed-off-by: Russ Weight --- v1: - No change from RFC patch v2: - No change v3: - Added Reviewed-by tag v4: - Added Reviewed-by tag v5: - Added Tested-by tag --- 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