From nobody Fri Jun 12 14:25:47 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8EBF224AF7; Thu, 14 May 2026 09:15:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750144; cv=none; b=EDnCyZlQmX1FDo49kygGGpo6RoaYLT4U7Z/bOuNPP0R/kR99daoeOsQmepNGZYPnLFMb56g8uhB4M66ay9BVc57iMxrLeAjnigsYhsTZ7RCgDa4nFtd6pkmuG/noPdQmGh+hn2Yne1E1YwVPB2BS5Qg8Z3mnEgx0DEU9cOGDG5o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778750144; c=relaxed/simple; bh=lYiFJp6gqDq9Q7YubMzYwrmnKcJfyatolsLB4e4EjWs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=JYlMzHg4lN+bPXSONWhRqvorxymPGys989Mz9YAq330QfxC8QGCiGs5El9jBgkpihLMdGf2Nhhpq21hgP9Ic1FiakvRvpuRBGB38jyr5UAs/L2c4INA9SiQRpzWgu3Md319UFF1jDDmlGCl18QWUW5/XmqrQGZ55AgZTcPBV/2E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 754f38fa4f7511f1aa26b74ffac11d73-20260514 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM, HR_SJ_PHRASE HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT, HR_TO_NAME IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_TRUSTED, SA_EXISTED SN_TRUSTED, SN_EXISTED, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_BAD, CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO GTI_C_BU, AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:28426545-0486-408d-8cb1-c0373e8eb157,IP:10, URL:0,TC:0,Content:0,EDM:-20,RT:0,SF:-30,FILE:0,BULK:0,RULE:Release_Ham,AC TION:release,TS:-40 X-CID-INFO: VERSION:1.3.12,REQID:28426545-0486-408d-8cb1-c0373e8eb157,IP:10,UR L:0,TC:0,Content:0,EDM:-20,RT:0,SF:-30,FILE:0,BULK:0,RULE:EDM_GE969F26,ACT ION:release,TS:-40 X-CID-META: VersionHash:e7bac3a,CLOUDID:992a84fc99c04c1616e62cfdada4d799,BulkI D:2605141348416UR7UHPW,BulkQuantity:1,Recheck:0,SF:10|38|66|78|102|127|850 |898,TC:nil,Content:0|15|50,EDM:1,IP:-2,URL:0,File:nil,RT:nil,Bulk:40,QS:n il,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC :0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_AEC X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 754f38fa4f7511f1aa26b74ffac11d73-20260514 X-User: zhaochenguang@kylinos.cn Received: from localhost.localdomain [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1124531172; Thu, 14 May 2026 17:15:32 +0800 From: Chenguang Zhao To: Andrew Lunn , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman Cc: Chenguang Zhao , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] net/ethtool: fix HWTSTAMP TX/FILTER BUILD_BUG_ON in tsconfig SET path Date: Thu, 14 May 2026 17:15:37 +0800 Message-Id: <20260514091537.1544154-1-zhaochenguang@kylinos.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" BUILD_BUG_ON(__HWTSTAMP_TX_CNT >=3D 32) and the same for __HWTSTAMP_FILTER_CNT reject the valid upper bound of 32 enum-derived bit positions in a u32 bitset (indices 0 .. 31). Use > 32 so only counts strictly larger than the u32 width fail at compile time. Signed-off-by: Chenguang Zhao --- net/ethtool/tsconfig.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ethtool/tsconfig.c b/net/ethtool/tsconfig.c index e4f518e49d4c..bdf26352de2d 100644 --- a/net/ethtool/tsconfig.c +++ b/net/ethtool/tsconfig.c @@ -302,8 +302,8 @@ static int ethnl_set_tsconfig(struct ethnl_req_info *re= q_base, struct nlattr **tb =3D info->attrs; int ret; =20 - BUILD_BUG_ON(__HWTSTAMP_TX_CNT >=3D 32); - BUILD_BUG_ON(__HWTSTAMP_FILTER_CNT >=3D 32); + BUILD_BUG_ON(__HWTSTAMP_TX_CNT > 32); + BUILD_BUG_ON(__HWTSTAMP_FILTER_CNT > 32); BUILD_BUG_ON(__HWTSTAMP_FLAG_CNT > 32); =20 if (!netif_device_present(dev)) --=20 2.25.1