From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752370AbeCNJ2g (ORCPT ); Wed, 14 Mar 2018 05:28:36 -0400 Received: from ozlabs.org ([103.22.144.67]:53655 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752254AbeCNJ2c (ORCPT ); Wed, 14 Mar 2018 05:28:32 -0400 X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 4f1f40f7b2b4487f582ecafec64076e430c72b22 In-Reply-To: <20180302194918.4358-1-malat@debian.org> To: Mathieu Malaterre From: Michael Ellerman Cc: Mathieu Malaterre , linux-kernel@vger.kernel.org, Andy Shevchenko , Paul Mackerras , linuxppc-dev@lists.ozlabs.org Subject: Re: [v2,01/21] powerpc: Remove warning on array size when empty Message-Id: <401RH218Zgz9sVp@ozlabs.org> Date: Wed, 14 Mar 2018 20:28:24 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-03-02 at 19:49:18 UTC, Mathieu Malaterre wrote: > When neither CONFIG_ALTIVEC, nor CONFIG_VSX or CONFIG_PPC64 is defined, the > array feature_properties is defined as an empty array, which in turn > triggers the following warning (treated as error on W=1): > > CC arch/powerpc/kernel/prom.o > arch/powerpc/kernel/prom.c: In function ‘check_cpu_feature_properties’: > arch/powerpc/kernel/prom.c:298:16: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits] > for (i = 0; i < ARRAY_SIZE(feature_properties); ++i, ++fp) { > ^ > cc1: all warnings being treated as errors > > Suggested-by: Michael Ellerman > Signed-off-by: Mathieu Malaterre Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/4f1f40f7b2b4487f582ecafec64076 cheers