From patchwork Wed Dec 6 22:46:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Jiang X-Patchwork-Id: 10097287 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A5E4860327 for ; Wed, 6 Dec 2017 22:46:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 982EA29B30 for ; Wed, 6 Dec 2017 22:46:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8CCD329BA5; Wed, 6 Dec 2017 22:46:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1ABDA29B30 for ; Wed, 6 Dec 2017 22:46:56 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 1120720352ABE; Wed, 6 Dec 2017 14:42:24 -0800 (PST) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=134.134.136.31; helo=mga06.intel.com; envelope-from=dave.jiang@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 143672217CE28 for ; Wed, 6 Dec 2017 14:42:22 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Dec 2017 14:46:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,369,1508828400"; d="scan'208";a="13765117" Received: from djiang5-desk3.ch.intel.com ([143.182.136.93]) by orsmga001.jf.intel.com with ESMTP; 06 Dec 2017 14:46:54 -0800 Subject: [PATCH v2 1/4] ndctl: add support to alloc_intel_cmd for variable payload From: Dave Jiang To: dan.j.williams@intel.com Date: Wed, 06 Dec 2017 15:46:54 -0700 Message-ID: <151260039600.3630.12960859289293301854.stgit@djiang5-desk3.ch.intel.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-nvdimm@lists.01.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP Certain payloads have variable size. The existing alloc_intel_cmd() does not take into account of that. Adding additional size for allocation. We do waste a little bit of the space because of the smart payload. Signed-off-by: Dave Jiang --- 0 files changed diff --git a/ndctl/lib/intel.c b/ndctl/lib/intel.c index 3e4260f..b85a682 100644 --- a/ndctl/lib/intel.c +++ b/ndctl/lib/intel.c @@ -33,7 +33,7 @@ static struct ndctl_cmd *alloc_intel_cmd(struct ndctl_dimm *dimm, return NULL; } - size = sizeof(*cmd) + sizeof(struct nd_pkg_intel); + size = sizeof(*cmd) + sizeof(struct nd_pkg_intel) + in_size + out_size; cmd = calloc(1, size); if (!cmd) return NULL;