From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C2DEC2BC11 for ; Fri, 11 Sep 2020 17:20:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25D7F206CA for ; Fri, 11 Sep 2020 17:20:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599844844; bh=6XiXYf1OQACfz6Pl7MUVTDtIWF63t2t/6FVZNrXz7CA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JTPr3ES/UfEzS1RolLQ1ctQq11s3BwYiSGejZKmZrJQ47r+9IUeF6CrEEW1Clnu8L eBraReCde++M7sgyR7Pa2nyK8yhM5tPt014h/xrhZZSpuxTaDjfdtBKgg+ZvC5Ll63 6X6NV2uuTmONyjJwofvF5L/MRbDiFDVz8dBeY0Pw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726215AbgIKRUm (ORCPT ); Fri, 11 Sep 2020 13:20:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:53760 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgIKNBU (ORCPT ); Fri, 11 Sep 2020 09:01:20 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 63B702222D; Fri, 11 Sep 2020 12:56:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599829004; bh=6XiXYf1OQACfz6Pl7MUVTDtIWF63t2t/6FVZNrXz7CA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MkSuYtEPJbNoqYhNCXSpTgL67XPtgSAJAU5LY3GrQx9UiDozXk1SzoWSSAabUQtrv TbJ8HLfPVkEsRWXIjkYrXA+3My6hdaE/J3A/9rdNYPuskMAI7NDqjB37o0cCQg0nr+ y7E9X+cmKdBq6iCpLzOrun/XNnzyEB6cOXsBXPO8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jason Gunthorpe , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH 4.9 28/71] include/linux/log2.h: add missing () around n in roundup_pow_of_two() Date: Fri, 11 Sep 2020 14:46:12 +0200 Message-Id: <20200911122506.337164398@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200911122504.928931589@linuxfoundation.org> References: <20200911122504.928931589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jason Gunthorpe [ Upstream commit 428fc0aff4e59399ec719ffcc1f7a5d29a4ee476 ] Otherwise gcc generates warnings if the expression is complicated. Fixes: 312a0c170945 ("[PATCH] LOG2: Alter roundup_pow_of_two() so that it can use a ilog2() on a constant") Signed-off-by: Jason Gunthorpe Signed-off-by: Andrew Morton Link: https://lkml.kernel.org/r/0-v1-8a2697e3c003+41165-log_brackets_jgg@nvidia.com Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- include/linux/log2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/log2.h b/include/linux/log2.h index c373295f359fa..cca606609e1bc 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -159,7 +159,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n) #define roundup_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 1 : \ + ((n) == 1) ? 1 : \ (1UL << (ilog2((n) - 1) + 1)) \ ) : \ __roundup_pow_of_two(n) \ -- 2.25.1