From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753263AbbDBNRB (ORCPT ); Thu, 2 Apr 2015 09:17:01 -0400 Received: from e06smtp14.uk.ibm.com ([195.75.94.110]:43261 "EHLO e06smtp14.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231AbbDBNQz (ORCPT ); Thu, 2 Apr 2015 09:16:55 -0400 Subject: [PATCH v2 2/7] tun: add tun_is_little_endian() helper From: Greg Kurz To: Rusty Russell , "Michael S. Tsirkin" Cc: linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Date: Thu, 02 Apr 2015 15:16:48 +0200 Message-ID: <20150402131648.24676.66420.stgit@bahia.lab.toulouse-stg.fr.ibm.com> In-Reply-To: <20150402131637.24676.60700.stgit@bahia.lab.toulouse-stg.fr.ibm.com> References: <20150402131637.24676.60700.stgit@bahia.lab.toulouse-stg.fr.ibm.com> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15040213-0017-0000-0000-00000397493F Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Greg Kurz --- drivers/net/tun.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 857dca4..3c3d6c0 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -206,14 +206,19 @@ struct tun_struct { u32 flow_count; }; +static inline bool tun_is_little_endian(struct tun_struct *tun) +{ + return tun->flags & TUN_VNET_LE; +} + static inline u16 tun16_to_cpu(struct tun_struct *tun, __virtio16 val) { - return __virtio16_to_cpu(tun->flags & TUN_VNET_LE, val); + return __virtio16_to_cpu(tun_is_little_endian(tun), val); } static inline __virtio16 cpu_to_tun16(struct tun_struct *tun, u16 val) { - return __cpu_to_virtio16(tun->flags & TUN_VNET_LE, val); + return __cpu_to_virtio16(tun_is_little_endian(tun), val); } static inline u32 tun_hashfn(u32 rxhash)