From nobody Fri Oct 2 09:22:28 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 95D603C3456; Mon, 3 Aug 2026 09:00:27 +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=1785747630; cv=none; b=byWuPEXbcFbUCj1eHRuKkK4QyCukbsu1NuZV5vaf02Li8bUFxmWiOnjbp7uh6ZHMlNTt0OC7OvfIHJ+vPJZfO6vj3q4beXKbzwGXoNvItUImE5tpQEe/N7dP7F+P2IY018UpUSINUR40wRKG5SEx+GU9zkwU0FdQ21V2MWOa0sA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785747630; c=relaxed/simple; bh=r+s4T/bxe+7zy6LKh7gyPESXs/6nwAYf5mIeKtAiNj8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=g5JSUgUegWEMbZ2F9d5emj/wbJOctUc09/PvM6wI45HXdsCp9bgLKKCTDmt4b6m2GqTiF1SrIVW5mJPN7lQftIftAF5Ixw0OrXNYCWHcAYhbDmYOirf3dQm4A7AexMm3V6WWECoO26fXHVoJnmFhAgk3M3C+0u4FRZX4upu+Xn0= 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: c09c42888f1911f1aa26b74ffac11d73-20260803 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:3829f947-a2b4-4436-acc0-6f79ecc6d273,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:f777a6cecf48cd3b061ff901c6e6e665,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: c09c42888f1911f1aa26b74ffac11d73-20260803 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 734913476; Mon, 03 Aug 2026 17:00:19 +0800 From: Minhong He To: Jay Vosburgh , 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: bonding: check register_netdevice_notifier() error in bonding_init() Date: Mon, 3 Aug 2026 17:00:12 +0800 Message-Id: <20260803090012.142638-1-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" bonding_init() ignores register_netdevice_notifier() errors and still returns success, which can leave the bonding module loaded without its netdev notifier registered. Check the error and unwind prior initialization on failure. Signed-off-by: Minhong He Acked-by: Jay Vosburgh --- drivers/net/bonding/bond_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_mai= n.c index e1bec8164221..3405a20bd498 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -6637,7 +6637,9 @@ static int __init bonding_init(void) flow_keys_bonding_keys, ARRAY_SIZE(flow_keys_bonding_keys)); =20 - register_netdevice_notifier(&bond_netdev_notifier); + res =3D register_netdevice_notifier(&bond_netdev_notifier); + if (res) + goto err; out: return res; err: --=20 2.25.1