From nobody Fri Oct 2 09:22:00 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 3CEBF2F7F0F; Mon, 3 Aug 2026 08:59:55 +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=1785747599; cv=none; b=eZy0wc59bll2HYzkNOraV0WszCPnXfoXHV9JHX99p65G2Jzc+vdR8f3GRU9kxWj9RHTdyTzTNrdjtLZKIYM+hWctrNpveHDWXKoWXAE8NTW9GFE9+G50fI4HiqL6TiBYhg8ltjWvn9FHt6wbQ17hqh/OQ2sPmKP9zww1ra8MPfs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785747599; c=relaxed/simple; bh=VjXUlg0eyn1C1U6jWeE7Z01FqnWasKX/Ybom2ps25t0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=fyFbfDlvYdo+YTGRBcH+JNisrQVqN6Y5eF3Bl/d1j9fo5Ac3AofidVioA9zX2Td+O+YGByHswJycSU72h+yV8gHAkiC7N8+wIJIOXkHBMKPmIsjNUOYF5qlzO+oJx50mXo01oDYa9JlzmwgIVxgCHJ+7EkMs2/pkzxHNpMApGDg= 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: af026e808f1911f1aa26b74ffac11d73-20260803 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:4dc2b882-2c8e-40de-b6da-b49f368ffe7c,IP:0,U RL:0,TC:0,Content:-5,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:-30 X-CID-META: VersionHash:e7bac3a,CLOUDID:9e6ab94292cd4f5030c9889ad720ef87,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|136|850|865|898,TC:nil,Content:0|15| 50,EDM:2,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,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 X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: af026e808f1911f1aa26b74ffac11d73-20260803 X-User: heminhong@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 905271328; Mon, 03 Aug 2026 16:59:49 +0800 From: Minhong He To: Jiri Pirko , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH net] net: team: check register_netdevice_notifier() error in team_module_init() Date: Mon, 3 Aug 2026 16:59:43 +0800 Message-Id: <20260803085943.142261-1-heminhong@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" team_module_init() ignores register_netdevice_notifier() errors and continues module initialization, which can leave the team module loaded without its netdev notifier registered. Check the error and fail module initialization early. Signed-off-by: Minhong He --- drivers/net/team/team_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c index feaa75fbf8fc..beffbe450612 100644 --- a/drivers/net/team/team_core.c +++ b/drivers/net/team/team_core.c @@ -3229,7 +3229,9 @@ static int __init team_module_init(void) { int err; =20 - register_netdevice_notifier(&team_notifier_block); + err =3D register_netdevice_notifier(&team_notifier_block); + if (err) + return err; =20 err =3D rtnl_link_register(&team_link_ops); if (err) --=20 2.25.1