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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BCFDC43334 for ; Tue, 7 Jun 2022 22:32:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384495AbiFGWbK (ORCPT ); Tue, 7 Jun 2022 18:31:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380727AbiFGVQy (ORCPT ); Tue, 7 Jun 2022 17:16:54 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B08821F9DE; Tue, 7 Jun 2022 11:56:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D7669B82391; Tue, 7 Jun 2022 18:56:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34DACC385A5; Tue, 7 Jun 2022 18:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654628202; bh=sm8MbBlNG5K6X9hLCmzFjLBYl5czMKscsEUm5HoPOMk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijfdGRRPCGsBmDD14XI/Nm1Pwve/lk3659+UqNu2cDCflaPFUbu0mMYAsbTwbIHfu w/pyap0CbYC9xp4FlLqJTwAk8OA//MPRTa41WEOnQVBVCRwHv9VVDOXYXfLB5I5I9N ZwYbmMDRGgca5iOgpD3QGPVurGWbLXzX5Z7NrwY4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jakub Kicinski , "David S. Miller" , Sasha Levin Subject: [PATCH 5.18 202/879] eth: tg3: silence the GCC 12 array-bounds warning Date: Tue, 7 Jun 2022 18:55:20 +0200 Message-Id: <20220607165008.709160263@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607165002.659942637@linuxfoundation.org> References: <20220607165002.659942637@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jakub Kicinski [ Upstream commit 9dec850fd7c210a04b4707df8e6c95bfafdd6a4b ] GCC 12 currently generates a rather inconsistent warning: drivers/net/ethernet/broadcom/tg3.c:17795:51: warning: array subscript 5 is above array bounds of ‘struct tg3_napi[5]’ [-Warray-bounds] 17795 | struct tg3_napi *tnapi = &tp->napi[i]; | ~~~~~~~~^~~ i is guaranteed < tp->irq_max which in turn is either 1 or 5. There are more loops like this one in the driver, but strangely GCC 12 dislikes only this single one. Silence this silliness for now. Signed-off-by: Jakub Kicinski Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/broadcom/Makefile b/drivers/net/ethernet/broadcom/Makefile index 0ddfb5b5d53c..2e6c5f258a1f 100644 --- a/drivers/net/ethernet/broadcom/Makefile +++ b/drivers/net/ethernet/broadcom/Makefile @@ -17,3 +17,8 @@ obj-$(CONFIG_BGMAC_BCMA) += bgmac-bcma.o bgmac-bcma-mdio.o obj-$(CONFIG_BGMAC_PLATFORM) += bgmac-platform.o obj-$(CONFIG_SYSTEMPORT) += bcmsysport.o obj-$(CONFIG_BNXT) += bnxt/ + +# FIXME: temporarily silence -Warray-bounds on non W=1+ builds +ifndef KBUILD_EXTRA_WARN +CFLAGS_tg3.o += -Wno-array-bounds +endif -- 2.35.1