From patchwork Wed Jan 25 16:47:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak R Varma X-Patchwork-Id: 13115864 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 E819DC27C76 for ; Wed, 25 Jan 2023 16:49:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235867AbjAYQtH (ORCPT ); Wed, 25 Jan 2023 11:49:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235827AbjAYQsd (ORCPT ); Wed, 25 Jan 2023 11:48:33 -0500 Received: from msg-4.mailo.com (msg-4.mailo.com [213.182.54.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A72BD5649A; Wed, 25 Jan 2023 08:48:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailo.com; s=mailo; t=1674665279; bh=x1M00s3nylMDwIZ7lF9TN/rhz5zBDvXezZz2/ptVsrw=; h=X-EA-Auth:Date:From:To:Cc:Subject:Message-ID:MIME-Version: Content-Type; b=ncCiL+NLt2yXHEsyKL0oUKIDLLmfqXfW5qAExkDI3ocZ3H29EB+sMwIwo7gZ6w8WE T/pQy7s4NyKOETIgkDTMOVbGcyW3bB9Qdav4L9dBpxmcWYeQlT9YETdz6+daaa5IFH VJw3+hwE7nOy/zwNpufLYmbsbd5gStqeJghnIhss= Received: by b-6.in.mailobj.net [192.168.90.16] with ESMTP via ip-206.mailobj.net [213.182.55.206] Wed, 25 Jan 2023 17:47:59 +0100 (CET) X-EA-Auth: bWlBuAmXX6htWB4hJvq9dVY4kmQmdlMsBiRKY6XjvCC5Q1E5JmjYqzVM9mv65YUIBkPtwggm7fCtXXjosCMH+7HhHYyQ8R83 Date: Wed, 25 Jan 2023 22:17:54 +0530 From: Deepak R Varma To: Nilesh Javali , GR-QLogic-Storage-Upstream@marvell.com, "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saurabh Singh Sengar , Praveen Kumar Subject: [PATCH] scsi: qla2xxx: Use a variable instead of repeated computations Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use a variable to upfront compute memory size to be allocated, instead of repeatedly computing it at different instructions. The reduced length of lines also allows to tidy up the code. Issue identified using the array_size_dup Coccinelle semantic patch. Signed-off-by: Deepak R Varma --- drivers/scsi/qla2xxx/tcm_qla2xxx.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 8fa0056b56dd..5213d107879d 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -1552,6 +1552,7 @@ static const struct qla_tgt_func_tmpl tcm_qla2xxx_template = { static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport) { int rc; + size_t mem_sz; rc = btree_init32(&lport->lport_fcport_map); if (rc) { @@ -1559,17 +1560,15 @@ static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport) return rc; } - lport->lport_loopid_map = - vzalloc(array_size(65536, - sizeof(struct tcm_qla2xxx_fc_loopid))); + mem_sz = array_size(65536, sizeof(struct tcm_qla2xxx_fc_loopid)); + + lport->lport_loopid_map = vzalloc(mem_sz); if (!lport->lport_loopid_map) { - pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n", - sizeof(struct tcm_qla2xxx_fc_loopid) * 65536); + pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n", mem_sz); btree_destroy32(&lport->lport_fcport_map); return -ENOMEM; } - pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n", - sizeof(struct tcm_qla2xxx_fc_loopid) * 65536); + pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n", mem_sz); return 0; }