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 514EDC433EF for ; Fri, 17 Dec 2021 21:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230327AbhLQVyU (ORCPT ); Fri, 17 Dec 2021 16:54:20 -0500 Received: from smtp03.smtpout.orange.fr ([80.12.242.125]:51006 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230205AbhLQVyT (ORCPT ); Fri, 17 Dec 2021 16:54:19 -0500 Received: from pop-os.home ([86.243.171.122]) by smtp.orange.fr with ESMTPA id yLB7mDo2VUGqlyLB7mEfuG; Fri, 17 Dec 2021 22:54:18 +0100 X-ME-Helo: pop-os.home X-ME-Auth: YWZlNiIxYWMyZDliZWIzOTcwYTEyYzlhMmU3ZiQ1M2U2MzfzZDfyZTMxZTBkMTYyNDBjNDJlZmQ3ZQ== X-ME-Date: Fri, 17 Dec 2021 22:54:18 +0100 X-ME-IP: 86.243.171.122 From: Christophe JAILLET To: mpe@ellerman.id.au, benh@kernel.crashing.org, paulus@samba.org, maz@kernel.org Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH] powerpc/mpic: Use bitmap_zalloc() when applicable Date: Fri, 17 Dec 2021 22:54:12 +0100 Message-Id: X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 'mpic->protected' is a bitmap. So use 'bitmap_zalloc()' to simplify code and improve the semantic, instead of hand writing it. Signed-off-by: Christophe JAILLET --- arch/powerpc/sysdev/mpic.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 995fb2ada507..626ba4a9f64f 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1323,8 +1323,7 @@ struct mpic * __init mpic_alloc(struct device_node *node, psrc = of_get_property(mpic->node, "protected-sources", &psize); if (psrc) { /* Allocate a bitmap with one bit per interrupt */ - unsigned int mapsize = BITS_TO_LONGS(intvec_top + 1); - mpic->protected = kcalloc(mapsize, sizeof(long), GFP_KERNEL); + mpic->protected = bitmap_zalloc(intvec_top + 1, GFP_KERNEL); BUG_ON(mpic->protected == NULL); for (i = 0; i < psize/sizeof(u32); i++) { if (psrc[i] > intvec_top) -- 2.30.2