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 7C3B1C433EF for ; Fri, 15 Apr 2022 20:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351147AbiDOUKr (ORCPT ); Fri, 15 Apr 2022 16:10:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245026AbiDOUKj (ORCPT ); Fri, 15 Apr 2022 16:10:39 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0A2DC1C8E for ; Fri, 15 Apr 2022 13:08:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650053290; x=1681589290; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=toKkPquDR3AGm7Vzv0WyTxG86xwqQ846wTwgVCvCxd0=; b=TjYxubP+4bWZHk/42RRqHFwDHGUcu7gQLdBL7EtLbt6SsBT2rMxpC9gI y8RRrcnfHoL0+U0T3iR/f9P852LFB3zM2bFrlvGf7CfH3dDVov0QMcJcR 78vqoJNx33tzAjonmc16OZxoNKXTRl8/76mFAMKrkDCJ9kdqUqnUv9ior 9/L9iRCjDljEqw4Hvey+nXQ2bkLX1AJ8KGy3pkl8TrtyQ771FaNfsHOnb da/UGQiTU8UX9n/uQsS4lL7WbYZRzBpmFU0i5FW/nsV6KpOd8XV5E7xtU J/EEikWtWoHeatqdHmqeQxcgC3MMVxfmCY/YUuIWEsIxfjYx90e8EwyGj Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10318"; a="262078943" X-IronPort-AV: E=Sophos;i="5.90,263,1643702400"; d="scan'208";a="262078943" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2022 13:08:09 -0700 X-IronPort-AV: E=Sophos;i="5.90,263,1643702400"; d="scan'208";a="574510686" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.209.98.156]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2022 13:08:09 -0700 From: Russ Weight To: mcgrof@kernel.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 v2 1/8] firmware_loader: Clear data and size in fw_free_paged_buf Date: Fri, 15 Apr 2022 13:07:58 -0700 Message-Id: <20220415200805.610339-2-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415200805.610339-1-russell.h.weight@intel.com> References: <20220415200805.610339-1-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 v2: - No change --- 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