From nobody Fri Dec 19 04:25:13 2025 Received: from forward101b.mail.yandex.net (forward101b.mail.yandex.net [178.154.239.148]) (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 54B2322D7A1; Sat, 22 Mar 2025 14:41:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.148 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742654474; cv=none; b=meV6a6VX+42sMzX5AQwHSd2hmSbMoNqm2FOh2S5rDyd3NzczuzypOfafiT2ZpF6xKM5omaqKdtcG8OkZmukSwokkrMwFORWS8jZIp82R40AM48v1ldKkMQ+lds/vj77XsXPjoJLYSl3vCz7N5R4VBKoYmyUrOzee4niAwghjQQI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742654474; c=relaxed/simple; bh=tb5p+i4RGOXtseU+3CAkPWvzulPLmWT/jlCUUJasVGk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=VXJnA0rtOjhRpOIMH/VgE0lIw5znZpzTdd5s3WU9Qae2pnx6vjX+aspixUqtoyoF0/1c6Wi0DcL0wqGbKRyQ+AIZEsTrVpO4btgIEhVjkT8R9Mh6GFtFpCJSnLZKJoT31nNp0N+/lZzsUi57V4VCSFbuPTFgLGKAOX+lP1NjccE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ya.ru; spf=pass smtp.mailfrom=ya.ru; dkim=pass (1024-bit key) header.d=ya.ru header.i=@ya.ru header.b=QQvDSMX1; arc=none smtp.client-ip=178.154.239.148 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ya.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ya.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ya.ru header.i=@ya.ru header.b="QQvDSMX1" Received: from mail-nwsmtp-smtp-production-main-72.iva.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-72.iva.yp-c.yandex.net [IPv6:2a02:6b8:c0c:472f:0:640:f355:0]) by forward101b.mail.yandex.net (Yandex) with ESMTPS id A34A360B3F; Sat, 22 Mar 2025 17:41:10 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-72.iva.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id 8fNnFaKLceA0-4aTpwJ8g; Sat, 22 Mar 2025 17:41:10 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ya.ru; s=mail; t=1742654470; bh=xe2OMQz2t6ju5AjT3jlRd8HjwbMKDuwMDckkwQ7oxwM=; h=Cc:Message-ID:References:Date:In-Reply-To:Subject:To:From; b=QQvDSMX1eEOL8QWTmlrqRVRR/VGH5hrPbexL1a906dqu+YjP51bqWP/+ZVjdcj6TI dOfOYjx2M5rEH0A85K4WJU3qy47DiHz2le6UaKpx86jPrDtO9YDGU5oJ8JxnKsCRzz tFEjDtT4p6PnSbch+kDesd4iiwfFB1kSNW+Yl7VM= Authentication-Results: mail-nwsmtp-smtp-production-main-72.iva.yp-c.yandex.net; dkim=pass header.i=@ya.ru From: Kirill Tkhai To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: tkhai@ya.ru Subject: [PATCH NET-PREV 26/51] 6lowpan: Use __register_netdevice in .newlink Date: Sat, 22 Mar 2025 17:41:08 +0300 Message-ID: <174265446855.356712.5159257797992093401.stgit@pro.pro> X-Mailer: git-send-email 2.47.2 In-Reply-To: <174265415457.356712.10472727127735290090.stgit@pro.pro> References: <174265415457.356712.10472727127735290090.stgit@pro.pro> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The objective is to conform .newlink with its callers, which already assign nd_lock (and matches master nd_lock if there is one). Signed-off-by: Kirill Tkhai --- net/6lowpan/core.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/net/6lowpan/core.c b/net/6lowpan/core.c index 850d4a185f55..b5cbf85b291c 100644 --- a/net/6lowpan/core.c +++ b/net/6lowpan/core.c @@ -39,7 +39,7 @@ int lowpan_register_netdevice(struct net_device *dev, =20 dev->ndisc_ops =3D &lowpan_ndisc_ops; =20 - ret =3D register_netdevice(dev); + ret =3D __register_netdevice(dev); if (ret < 0) return ret; =20 @@ -52,10 +52,18 @@ EXPORT_SYMBOL(lowpan_register_netdevice); int lowpan_register_netdev(struct net_device *dev, enum lowpan_lltypes lltype) { + struct nd_lock *nd_lock; int ret; =20 rtnl_lock(); + if (!attach_new_nd_lock(dev)) + goto out; + lock_netdev(dev, &nd_lock); ret =3D lowpan_register_netdevice(dev, lltype); + if (ret) + detach_nd_lock(dev); + unlock_netdev(nd_lock); +out: rtnl_unlock(); return ret; }