From patchwork Mon Apr 19 13:05:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 425255 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=-18.8 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, URIBL_BLOCKED, 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 E8277C43461 for ; Mon, 19 Apr 2021 13:09:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC98C61279 for ; Mon, 19 Apr 2021 13:09:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239636AbhDSNJp (ORCPT ); Mon, 19 Apr 2021 09:09:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:44706 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239654AbhDSNJh (ORCPT ); Mon, 19 Apr 2021 09:09:37 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0C6F161245; Mon, 19 Apr 2021 13:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618837746; bh=zSoOcnyPROcfgtObYOtMX1DH2fAr5PApsznE8IZ3juE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wxhOIGIKF3Rx0eX/AmukJoEwZEt43kH+LspPculaw3uWjuHTo00myTLeO+frNV+pZ 8U+2ZzO1KQoc/zPJIXH4xd0Mzu+v+ZH4Inqf+rQ7iKbUmLDowezsBkRe34+NGDeFwr f9PAqyaw7LTWmuPRowFX9lk2yf6lpmbeJTTsYfRM= 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 5.11 040/122] net: ieee802154: stop dump llsec devs for monitors Date: Mon, 19 Apr 2021 15:05:20 +0200 Message-Id: <20210419130531.532246814@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210419130530.166331793@linuxfoundation.org> References: <20210419130530.166331793@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 47c57347ab7f..8a9019aa00c3 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1677,6 +1677,11 @@ 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;