From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932947AbaFLIhh (ORCPT ); Thu, 12 Jun 2014 04:37:37 -0400 Received: from mga09.intel.com ([134.134.136.24]:27214 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932757AbaFLIhd (ORCPT ); Thu, 12 Jun 2014 04:37:33 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,463,1400050800"; d="scan'208";a="527320062" Subject: [PATCH] ALSA: compress: Cancel the optimization of compiler and fix the size of struct for all platform. From: "Wang, Xiaoming" To: tiwai@suse.de, vinod.koul@intel.com, jeeja.kp@intel.com, dhowells@redhat.com, arnd@arndb.de, tglx@linutronix.de, mtk.manpages@gmail.com, paulmck@linux.vnet.ibm.com, davej@redhat.com, linux-kernel@vger.kernel.org Cc: dongxing.zhang@intel.com, xiaoming.wang@intel.com Content-Type: text/plain; charset="UTF-8" Date: Thu, 12 Jun 2014 18:47:07 -0400 Message-ID: <1402613227.8326.13.camel@wxm-ubuntu> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cancel the optimization of compiler for struct snd_compr_avail which size will be 0x1c in 32bit kernel while 0x20 in 64bit kernel under the optimizer. That will make compaction between 32bit and 64bit. So add packed to fix the size of struct snd_compr_avail to 0x1c for all platform. Signed-off-by: Zhang Dongxing Signed-off-by: xiaoming wang --- include/uapi/sound/compress_offload.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index 5759810..21eed48 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -80,7 +80,7 @@ struct snd_compr_tstamp { struct snd_compr_avail { __u64 avail; struct snd_compr_tstamp tstamp; -}; +} __attribute__((packed)); enum snd_compr_direction { SND_COMPRESS_PLAYBACK = 0, -- 1.7.1