From patchwork Sat Oct 23 20:02:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 12579795 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EDC2C433FE for ; Sat, 23 Oct 2021 20:02:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 277D160F4B for ; Sat, 23 Oct 2021 20:02:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230280AbhJWUE2 (ORCPT ); Sat, 23 Oct 2021 16:04:28 -0400 Received: from smtp06.smtpout.orange.fr ([80.12.242.128]:57409 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230142AbhJWUE2 (ORCPT ); Sat, 23 Oct 2021 16:04:28 -0400 Received: from pop-os.home ([92.140.161.106]) by smtp.orange.fr with ESMTPA id eNDSmCwfQTdRTeNDSmKOiE; Sat, 23 Oct 2021 22:02:07 +0200 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Sat, 23 Oct 2021 22:02:07 +0200 X-ME-IP: 92.140.161.106 From: Christophe JAILLET To: toan@os.amperecomputing.com, lorenzo.pieralisi@arm.com, robh@kernel.org, kw@linux.com, bhelgaas@google.com Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH] PCI: xgene-msi: Use bitmap_zalloc() when applicable Date: Sat, 23 Oct 2021 22:02:05 +0200 Message-Id: <32f3bc1fbfbd6ee0815e565012904758ca9eff7e.1635019243.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org 'xgene_msi->bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify code, improve the semantic and avoid some open-coded arithmetic in allocator arguments. Also change the corresponding 'kfree()' into 'bitmap_free()' to keep consistency. Signed-off-by: Christophe JAILLET Reviewed-by: Krzysztof Wilczyński --- drivers/pci/controller/pci-xgene-msi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/pci-xgene-msi.c b/drivers/pci/controller/pci-xgene-msi.c index c50ff279903c..bfa259781b69 100644 --- a/drivers/pci/controller/pci-xgene-msi.c +++ b/drivers/pci/controller/pci-xgene-msi.c @@ -269,9 +269,7 @@ static void xgene_free_domains(struct xgene_msi *msi) static int xgene_msi_init_allocator(struct xgene_msi *xgene_msi) { - int size = BITS_TO_LONGS(NR_MSI_VEC) * sizeof(long); - - xgene_msi->bitmap = kzalloc(size, GFP_KERNEL); + xgene_msi->bitmap = bitmap_zalloc(NR_MSI_VEC, GFP_KERNEL); if (!xgene_msi->bitmap) return -ENOMEM; @@ -360,7 +358,7 @@ static int xgene_msi_remove(struct platform_device *pdev) kfree(msi->msi_groups); - kfree(msi->bitmap); + bitmap_free(msi->bitmap); msi->bitmap = NULL; xgene_free_domains(msi);