From patchwork Mon Jun 13 03:29:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Aring X-Patchwork-Id: 581447 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 87B4CCCA47C for ; Mon, 13 Jun 2022 03:30:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232854AbiFMD37 (ORCPT ); Sun, 12 Jun 2022 23:29:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231857AbiFMD36 (ORCPT ); Sun, 12 Jun 2022 23:29:58 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5EAAD193CC for ; Sun, 12 Jun 2022 20:29:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1655090996; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=aKrLIz2/fH9wSRg7503YdOZi93Zj103cLf7h7Hd63iM=; b=SvjaiO+E3zM20MpT7c2xb8E5RpOBlFsTBd4nMCoLALRPQSL9hzER1x1RvqBeoBZ9xGz2IM ZpaHw8+a0d0+kAiNSvilcz58UjyJ/k0sAT4GVlt7Lj6x6tVOIXxH/YaH5Ia5wYX0ewa3MR LNJZGbFqpXKlusdLAo1o53LbPS8UpWw= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-1-rq6WqYbWN62WxILCcKR50Q-1; Sun, 12 Jun 2022 23:29:53 -0400 X-MC-Unique: rq6WqYbWN62WxILCcKR50Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B91E4802804; Mon, 13 Jun 2022 03:29:52 +0000 (UTC) Received: from fs-i40c-03.fs.lab.eng.bos.redhat.com (fs-i40c-03.fs.lab.eng.bos.redhat.com [10.16.224.23]) by smtp.corp.redhat.com (Postfix) with ESMTP id 91D20492C3B; Mon, 13 Jun 2022 03:29:52 +0000 (UTC) From: Alexander Aring To: stefan@datenfreihafen.org Cc: linux-wpan@vger.kernel.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, aahringo@redhat.com Subject: [PATCH wpan-next 1/2] 6lowpan: nhc: more constify api Date: Sun, 12 Jun 2022 23:29:21 -0400 Message-Id: <20220613032922.1030739-1-aahringo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch adds an const to the return of lowpan_nhc_by_nexthdr(), as we never modify nhcs. Signed-off-by: Alexander Aring --- net/6lowpan/nhc.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/6lowpan/nhc.h b/net/6lowpan/nhc.h index ab7b4977c32b..4ba6b2ffcb47 100644 --- a/net/6lowpan/nhc.h +++ b/net/6lowpan/nhc.h @@ -66,6 +66,7 @@ struct lowpan_nhc { int (*uncompress)(struct sk_buff *skb, size_t needed); int (*compress)(struct sk_buff *skb, u8 **hc_ptr); + }; /** @@ -73,7 +74,7 @@ struct lowpan_nhc { * * @nexthdr: ipv6 nexthdr value. */ -struct lowpan_nhc *lowpan_nhc_by_nexthdr(u8 nexthdr); +const struct lowpan_nhc *lowpan_nhc_by_nexthdr(u8 nexthdr); /** * lowpan_nhc_check_compression - checks if we support compression format. If