From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6B8BC38A2D for ; Mon, 24 Oct 2022 12:38:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231880AbiJXMiK (ORCPT ); Mon, 24 Oct 2022 08:38:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234278AbiJXMem (ORCPT ); Mon, 24 Oct 2022 08:34:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E11574A807; Mon, 24 Oct 2022 05:05:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5D53E612BF; Mon, 24 Oct 2022 12:04:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DE76C433C1; Mon, 24 Oct 2022 12:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666613087; bh=nU5shlmlTDL+WA15wXTBEMZOu70bg3gompzMDfGsWu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hL3a5z6l2Qr4q2CC+F7xlvybcngWdUmP0CH8b3G3ITelh5Eejbfb14fMgIk9iWj/t zTvzTlD1ph2n/77BFkecYMbeRceu0rJcglBDqmPiBTi7iH5U3BgrY/zyP1+3NR0F35 M4WcJg7dCGhjcFs5oiEY1kwYP4efYORP92GwrZG8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Aring , "David S. Miller" Subject: [PATCH 4.19 222/229] net: ieee802154: return -EINVAL for unknown addr type Date: Mon, 24 Oct 2022 13:32:21 +0200 Message-Id: <20221024113006.446380153@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112959.085534368@linuxfoundation.org> References: <20221024112959.085534368@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Aring commit 30393181fdbc1608cc683b4ee99dcce05ffcc8c7 upstream. This patch adds handling to return -EINVAL for an unknown addr type. The current behaviour is to return 0 as successful but the size of an unknown addr type is not defined and should return an error like -EINVAL. Fixes: 94160108a70c ("net/ieee802154: fix uninit value bug in dgram_sendmsg") Signed-off-by: Alexander Aring Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- include/net/ieee802154_netdev.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -193,21 +193,27 @@ static inline int ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len) { struct ieee802154_addr_sa *sa; + int ret = 0; sa = &daddr->addr; if (len < IEEE802154_MIN_NAMELEN) return -EINVAL; switch (sa->addr_type) { + case IEEE802154_ADDR_NONE: + break; case IEEE802154_ADDR_SHORT: if (len < IEEE802154_NAMELEN_SHORT) - return -EINVAL; + ret = -EINVAL; break; case IEEE802154_ADDR_LONG: if (len < IEEE802154_NAMELEN_LONG) - return -EINVAL; + ret = -EINVAL; + break; + default: + ret = -EINVAL; break; } - return 0; + return ret; } static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,