From patchwork Thu Mar 23 09:39:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gonglei (Arei)" X-Patchwork-Id: 9640627 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 D2424602D6 for ; Thu, 23 Mar 2017 09:42:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD9421FF87 for ; Thu, 23 Mar 2017 09:42:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C01A5267EC; Thu, 23 Mar 2017 09:42:26 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 746041FF87 for ; Thu, 23 Mar 2017 09:42:25 +0000 (UTC) Received: from localhost ([::1]:55171 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqzGC-0002sr-Jj for patchwork-qemu-devel@patchwork.kernel.org; Thu, 23 Mar 2017 05:42:24 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56385) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cqzEX-00026H-1v for qemu-devel@nongnu.org; Thu, 23 Mar 2017 05:40:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cqzET-0003sC-Uo for qemu-devel@nongnu.org; Thu, 23 Mar 2017 05:40:41 -0400 Received: from [45.249.212.187] (port=3009 helo=dggrg01-dlp.huawei.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1cqzET-0003bF-5s for qemu-devel@nongnu.org; Thu, 23 Mar 2017 05:40:37 -0400 Received: from 172.30.72.57 (EHLO DGGEML404-HUB.china.huawei.com) ([172.30.72.57]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id ALG18856; Thu, 23 Mar 2017 17:39:36 +0800 (CST) Received: from localhost (10.177.18.62) by DGGEML404-HUB.china.huawei.com (10.3.17.39) with Microsoft SMTP Server id 14.3.301.0; Thu, 23 Mar 2017 17:39:25 +0800 From: Gonglei To: Date: Thu, 23 Mar 2017 17:39:10 +0800 Message-ID: <1490261951-21352-2-git-send-email-arei.gonglei@huawei.com> X-Mailer: git-send-email 2.8.2.windows.1 In-Reply-To: <1490261951-21352-1-git-send-email-arei.gonglei@huawei.com> References: <1490261951-21352-1-git-send-email-arei.gonglei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.18.62] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.58D397D9.01FE, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: a70ec665f3cee45479c46822e7e8c4e8 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.187 Subject: [Qemu-devel] [PULL for-2.9 1/2] cryptodev: setiv only when really need X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, "Longpeng\(Mike\)" , Gonglei Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Longpeng(Mike)" ECB mode cipher doesn't need IV, if we setiv for it then qemu crypto API would report "Expected IV size 0 not **", so we should setiv only when the cipher algos really need. Signed-off-by: Longpeng(Mike) Signed-off-by: Gonglei --- backends/cryptodev-builtin.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c index 82a068e..b24a299 100644 --- a/backends/cryptodev-builtin.c +++ b/backends/cryptodev-builtin.c @@ -320,10 +320,12 @@ static int cryptodev_builtin_sym_operation( sess = builtin->sessions[op_info->session_id]; - ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, - op_info->iv_len, errp); - if (ret < 0) { - return -VIRTIO_CRYPTO_ERR; + if (op_info->iv_len > 0) { + ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, + op_info->iv_len, errp); + if (ret < 0) { + return -VIRTIO_CRYPTO_ERR; + } } if (sess->direction == VIRTIO_CRYPTO_OP_ENCRYPT) {