From patchwork Wed Oct 11 17:48:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 10000151 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C52D860244 for ; Wed, 11 Oct 2017 17:49:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B034628ADC for ; Wed, 11 Oct 2017 17:49:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A49A028AFF; Wed, 11 Oct 2017 17:49:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2770928ADC for ; Wed, 11 Oct 2017 17:49:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752360AbdJKRtp (ORCPT ); Wed, 11 Oct 2017 13:49:45 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:65460 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752295AbdJKRtp (ORCPT ); Wed, 11 Oct 2017 13:49:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1507744185; x=1539280185; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=C2mT3zRzhG9UoSwX95BFhZNCsbrq8NFyjg+F8pXlDT8=; b=KcjATPnadxSm3MhgfJL16NzYfr24Ki7ydfk+H4zXPnyQQbqgWg7edhtK i/+RyqkuRjp3MsGVAHHfR2mzY5Vk8Uwhg/uF/qB5Q2nFEtd9qg4p0RR+u Dzw8qjrr+4t6pZ9lCekNWFg6Xi9Am8pHje0JbC5z58wLtOJC16D0vmXXT FnGzytnVx/1zp2aQPL92E3cybBvO9L3IhYHCDCOLDX+pNq0OY+SHPnvMB 4ylxINs83WKYeHKXFrby6yrPegV1KoF04RT0uSENgIVLGTUg4ehvVgP1J m6dh1SUPzHv83O0zRDUWclTKbPaWh4Q2Fda/z6RCjyl/29XLzh+XOLQcE g==; X-IronPort-AV: E=Sophos;i="5.43,362,1503331200"; d="scan'208";a="57687589" Received: from sjappemgw11.hgst.com (HELO sjappemgw12.hgst.com) ([199.255.44.62]) by ob1.hgst.iphmx.com with ESMTP; 12 Oct 2017 01:49:44 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw12.hgst.com with ESMTP; 11 Oct 2017 10:49:28 -0700 From: Bart Van Assche To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Bart Van Assche Subject: [PATCH v2 01/45] IB/core: Fix endianness annotation in rdma_is_multicast_addr() Date: Wed, 11 Oct 2017 10:48:43 -0700 Message-Id: <20171011174927.25113-2-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171011174927.25113-1-bart.vanassche@wdc.com> References: <20171011174927.25113-1-bart.vanassche@wdc.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since ipv4_addr is a big endian 32-bit number, annotate it as such. Fixes: commit be1d325a3358 ("IB/core: Set RoCEv2 MGID according to spec") Signed-off-by: Bart Van Assche Reviewed-by: Leon Romanovsky --- include/rdma/ib_addr.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index ec5008cf5d51..cfa82d16573d 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -305,12 +305,12 @@ static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac) static inline int rdma_is_multicast_addr(struct in6_addr *addr) { - u32 ipv4_addr; + __be32 ipv4_addr; if (addr->s6_addr[0] == 0xff) return 1; - memcpy(&ipv4_addr, addr->s6_addr + 12, 4); + ipv4_addr = addr->s6_addr32[3]; return (ipv6_addr_v4mapped(addr) && ipv4_is_multicast(ipv4_addr)); }