From patchwork Wed Jul 20 18:13:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 592079 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 CDBABC43334 for ; Wed, 20 Jul 2022 18:21:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229661AbiGTSVb (ORCPT ); Wed, 20 Jul 2022 14:21:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbiGTSVb (ORCPT ); Wed, 20 Jul 2022 14:21:31 -0400 Received: from smtp.smtpout.orange.fr (smtp02.smtpout.orange.fr [80.12.242.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A01DB6BC16 for ; Wed, 20 Jul 2022 11:21:30 -0700 (PDT) Received: from pop-os.home ([90.11.190.129]) by smtp.orange.fr with ESMTPA id EECpoJI9YvbzbEECpo9R0Y; Wed, 20 Jul 2022 20:13:57 +0200 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Wed, 20 Jul 2022 20:13:57 +0200 X-ME-IP: 90.11.190.129 From: Christophe JAILLET To: Don Brace , "James E.J. Bottomley" , "Martin K. Petersen" Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , storagedev@microchip.com, linux-scsi@vger.kernel.org Subject: [PATCH 1/2] scsi: hpsa: Use the bitmap API to allocate bitmaps Date: Wed, 20 Jul 2022 20:13:54 +0200 Message-Id: <5f975ef43f8b7306e4ac4e2e8ce4bcd53f6092bb.1658340441.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by: Christophe JAILLET Signed-off-by: Christophe JAILLET Acked-by: Don Brace Tested-by: Don Brace --- drivers/scsi/hpsa.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index a47bcce3c9c7..0612ca681200 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -8030,7 +8030,7 @@ static int hpsa_init_reset_devices(struct pci_dev *pdev, u32 board_id) static void hpsa_free_cmd_pool(struct ctlr_info *h) { - kfree(h->cmd_pool_bits); + bitmap_free(h->cmd_pool_bits); h->cmd_pool_bits = NULL; if (h->cmd_pool) { dma_free_coherent(&h->pdev->dev, @@ -8052,9 +8052,7 @@ static void hpsa_free_cmd_pool(struct ctlr_info *h) static int hpsa_alloc_cmd_pool(struct ctlr_info *h) { - h->cmd_pool_bits = kcalloc(DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG), - sizeof(unsigned long), - GFP_KERNEL); + h->cmd_pool_bits = bitmap_zalloc(h->nr_cmds, GFP_KERNEL); h->cmd_pool = dma_alloc_coherent(&h->pdev->dev, h->nr_cmds * sizeof(*h->cmd_pool), &h->cmd_pool_dhandle, GFP_KERNEL);