From patchwork Thu Aug 17 20:13:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 9907113 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 956D560386 for ; Thu, 17 Aug 2017 20:16:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8913F28591 for ; Thu, 17 Aug 2017 20:16:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7CF8928BBC; Thu, 17 Aug 2017 20:16:30 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3354A28591 for ; Thu, 17 Aug 2017 20:16:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753505AbdHQUQ3 (ORCPT ); Thu, 17 Aug 2017 16:16:29 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:33267 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753485AbdHQUQ1 (ORCPT ); Thu, 17 Aug 2017 16:16:27 -0400 X-IronPort-AV: E=Sophos;i="5.41,389,1498492800"; d="scan'208";a="43186021" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 18 Aug 2017 04:13:56 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw11.hgst.com with ESMTP; 17 Aug 2017 13:13:42 -0700 From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Damien Le Moal , Akhil Bhansali , Bart Van Assche , Hannes Reinecke , Johannes Thumshirn Subject: [PATCH 47/55] skd: Move skd_free_sg_list() up Date: Thu, 17 Aug 2017 13:13:30 -0700 Message-Id: <20170817201338.16537-48-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.0 In-Reply-To: <20170817201338.16537-1-bart.vanassche@wdc.com> References: <20170817201338.16537-1-bart.vanassche@wdc.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Issue a warning if a NULL argument is passed to skd_free_sg_list(). Move this function up to make the blk-mq conversion patch easier to read. Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn --- drivers/block/skd_main.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 451974138b32..b69b1a041c8f 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -2850,6 +2850,18 @@ static struct fit_sg_descriptor *skd_cons_sg_list(struct skd_device *skdev, return sg_list; } +static void skd_free_sg_list(struct skd_device *skdev, + struct fit_sg_descriptor *sg_list, u32 n_sg, + dma_addr_t dma_addr) +{ + u32 nbytes = sizeof(*sg_list) * n_sg; + + if (WARN_ON_ONCE(!sg_list)) + return; + + pci_free_consistent(skdev->pdev, nbytes, sg_list, dma_addr); +} + static int skd_cons_skreq(struct skd_device *skdev) { int rc = 0; @@ -3105,19 +3117,6 @@ static void skd_free_skmsg(struct skd_device *skdev) skdev->skmsg_table = NULL; } -static void skd_free_sg_list(struct skd_device *skdev, - struct fit_sg_descriptor *sg_list, - u32 n_sg, dma_addr_t dma_addr) -{ - if (sg_list != NULL) { - u32 nbytes; - - nbytes = sizeof(*sg_list) * n_sg; - - pci_free_consistent(skdev->pdev, nbytes, sg_list, dma_addr); - } -} - static void skd_free_skreq(struct skd_device *skdev) { u32 i;