From patchwork Mon Apr 26 07:29:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 427912 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48794C433B4 for ; Mon, 26 Apr 2021 07:32:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 176AF61041 for ; Mon, 26 Apr 2021 07:32:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232566AbhDZHdE (ORCPT ); Mon, 26 Apr 2021 03:33:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:44596 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232574AbhDZHc7 (ORCPT ); Mon, 26 Apr 2021 03:32:59 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0F596613B0; Mon, 26 Apr 2021 07:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1619422336; bh=8zVWSfvE3a5TLO2oj+x89XId3lUHtEHniWApFweSet0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SHruxSNPQpGtgwh3wvpxx8vKMCP1n1JMrV/dCP7jBs27taelIiJjU4VTLFCOAW5Ox cHL4BQpUS5cHBSSyO8vBwlZoGLis49KrrgGNWtxUtLslydNDibhIRu2h2+CtbPrRCW /pHlWQbPmSDeIDgvfLIgdmtio8SV7g0AOb2hOjk8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Aring , Stefan Schmidt , Sasha Levin Subject: [PATCH 4.9 10/37] net: ieee802154: stop dump llsec devs for monitors Date: Mon, 26 Apr 2021 09:29:11 +0200 Message-Id: <20210426072817.595888505@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210426072817.245304364@linuxfoundation.org> References: <20210426072817.245304364@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Aring [ Upstream commit 5582d641e6740839c9b83efd1fbf9bcd00b6f5fc ] This patch stops dumping llsec devs for monitors which we don't support yet. Otherwise we will access llsec mib which isn't initialized for monitors. Signed-off-by: Alexander Aring Link: https://lore.kernel.org/r/20210405003054.256017-7-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- net/ieee802154/nl802154.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 41d64b963c78..65439c20db7a 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1708,6 +1708,11 @@ nl802154_dump_llsec_dev(struct sk_buff *skb, struct netlink_callback *cb) if (err) return err; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) { + err = skb->len; + goto out_err; + } + if (!wpan_dev->netdev) { err = -EINVAL; goto out_err;