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 5DBF7C433EF for ; Thu, 3 Feb 2022 21:31:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237555AbiBCVbF (ORCPT ); Thu, 3 Feb 2022 16:31:05 -0500 Received: from mga05.intel.com ([192.55.52.43]:32978 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237779AbiBCVa7 (ORCPT ); Thu, 3 Feb 2022 16:30:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643923859; x=1675459859; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ddAkShrbj743e1Q9xdb0KeubCOIW3X5O39dXnJ3mFVA=; b=KJ9KdxAjGnHDIBrjdCCTVSC71NugRwMzVpEkPpLivJFFQ9zVNgUbBN35 eIdKK7GbkHf+IF13LPiSgz6z1++JbGtl0mpiXVMPX0zanJbObz6PnIIFT 4L5lIA95mo+Ba8eiaBUBZsnQb4Wp9lW+B+0LeYXXQ3oupj/5T2GVbtiBs +x/bdi6DPrpcR+jKemW4+B5cVbaVpAWcxZkOeMTJU7j1DwCykaXynhQwA i2rPImsaqv6iKJiaRTkApWCgH58CcdjkOwBFVtwPWggOw5T0SInphno6z 9OOy19nVz5QiFYCJcU+iY4NbiElJyJ7Kzw6vTuYteUkDqAkLRXBTN5hUN w==; X-IronPort-AV: E=McAfee;i="6200,9189,10247"; a="334633978" X-IronPort-AV: E=Sophos;i="5.88,340,1635231600"; d="scan'208";a="334633978" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2022 13:30:59 -0800 X-IronPort-AV: E=Sophos;i="5.88,340,1635231600"; d="scan'208";a="583931506" Received: from rhweight-mobl.amr.corp.intel.com (HELO rhweight-mobl.ra.intel.com) ([10.209.6.75]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2022 13:30:58 -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: [RFC PATCH 1/5] firmware_loader: Clear data and size in fw_free_paged_buf Date: Thu, 3 Feb 2022 14:30:48 -0700 Message-Id: <20220203213053.360190-2-russell.h.weight@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220203213053.360190-1-russell.h.weight@intel.com> References: <20220203213053.360190-1-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 --- 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