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GET /api/patches/810119/?format=api
{ "id": 810119, "url": "http://patchwork.ozlabs.org/api/patches/810119/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1504615144-29770-9-git-send-email-gilad@benyossef.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504615144-29770-9-git-send-email-gilad@benyossef.com>", "list_archive_url": null, "date": "2017-09-05T12:38:47", "name": "[v8,08/20] crypto: move pub key to generic async completion", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "a3f7039f32f81af8761f96549dd70f4f19b57ef7", "submitter": { "id": 11198, "url": "http://patchwork.ozlabs.org/api/people/11198/?format=api", "name": "Gilad Ben-Yossef", "email": "gilad@benyossef.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1504615144-29770-9-git-send-email-gilad@benyossef.com/mbox/", "series": [ { "id": 1573, "url": "http://patchwork.ozlabs.org/api/series/1573/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1573", "date": "2017-09-05T12:38:39", "name": "simplify crypto wait for async op", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/1573/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810119/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810119/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xmmYW28x1z9sRm\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 5 Sep 2017 22:41:35 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751975AbdIEMlX (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tTue, 5 Sep 2017 08:41:23 -0400", "from foss.arm.com ([217.140.101.70]:39330 \"EHLO foss.arm.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751386AbdIEMlQ (ORCPT <rfc822;netdev@vger.kernel.org>);\n\tTue, 5 Sep 2017 08:41:16 -0400", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249])\n\tby usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C9BDA165C;\n\tTue, 5 Sep 2017 05:41:15 -0700 (PDT)", "from gby.kfn.arm.com (unknown [10.45.48.140])\n\tby usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id\n\t64AED3F3E1; Tue, 5 Sep 2017 05:41:06 -0700 (PDT)" ], "From": "Gilad Ben-Yossef <gilad@benyossef.com>", "To": "Herbert Xu <herbert@gondor.apana.org.au>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tJonathan Corbet <corbet@lwn.net>, David Howells <dhowells@redhat.com>,\n\tTom Lendacky <thomas.lendacky@amd.com>, Gary Hook <gary.hook@amd.com>,\n\tBoris Brezillon <boris.brezillon@free-electrons.com>,\n\tArnaud Ebalard <arno@natisbad.org>,\n\tMatthias Brugger <matthias.bgg@gmail.com>,\n\tAlasdair Kergon <agk@redhat.com>,\n\tMike Snitzer <snitzer@redhat.com>, dm-devel@redhat.com,\n\tShaohua Li <shli@kernel.org>, Steve French <sfrench@samba.org>,\n\t\"Theodore Y. Ts'o\" <tytso@mit.edu>, Jaegeuk Kim <jaegeuk@kernel.org>,\n\tSteffen Klassert <steffen.klassert@secunet.com>,\n\tAlexey Kuznetsov <kuznet@ms2.inr.ac.ru>,\n\tHideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,\n\tMimi Zohar <zohar@linux.vnet.ibm.com>,\n\tDmitry Kasatkin <dmitry.kasatkin@gmail.com>,\n\tJames Morris <james.l.morris@oracle.com>,\n\t\"Serge E. Hallyn\" <serge@hallyn.com>, linux-crypto@vger.kernel.org,\n\tlinux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tkeyrings@vger.kernel.org, linux-arm-kernel@lists.infradead.org,\n\tlinux-mediatek@lists.infradead.org, linux-raid@vger.kernel.org,\n\tlinux-cifs@vger.kernel.org, samba-technical@lists.samba.org,\n\tlinux-fscrypt@vger.kernel.org, netdev@vger.kernel.org,\n\tlinux-ima-devel@lists.sourceforge.net,\n\tlinux-ima-user@lists.sourceforge.net,\n\tlinux-security-module@vger.kernel.org", "Cc": "Ofir Drang <ofir.drang@arm.com>", "Subject": "[PATCH v8 08/20] crypto: move pub key to generic async completion", "Date": "Tue, 5 Sep 2017 15:38:47 +0300", "Message-Id": "<1504615144-29770-9-git-send-email-gilad@benyossef.com>", "X-Mailer": "git-send-email 2.1.4", "In-Reply-To": "<1504615144-29770-1-git-send-email-gilad@benyossef.com>", "References": "<1504615144-29770-1-git-send-email-gilad@benyossef.com>", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "public_key_verify_signature() is starting an async crypto op and\nwaiting for it to complete. Move it over to generic code doing\nthe same.\n\nSigned-off-by: Gilad Ben-Yossef <gilad@benyossef.com>\n---\n crypto/asymmetric_keys/public_key.c | 28 ++++------------------------\n 1 file changed, 4 insertions(+), 24 deletions(-)", "diff": "diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c\nindex 3cd6e12..d916235 100644\n--- a/crypto/asymmetric_keys/public_key.c\n+++ b/crypto/asymmetric_keys/public_key.c\n@@ -57,29 +57,13 @@ static void public_key_destroy(void *payload0, void *payload3)\n \tpublic_key_signature_free(payload3);\n }\n \n-struct public_key_completion {\n-\tstruct completion completion;\n-\tint err;\n-};\n-\n-static void public_key_verify_done(struct crypto_async_request *req, int err)\n-{\n-\tstruct public_key_completion *compl = req->data;\n-\n-\tif (err == -EINPROGRESS)\n-\t\treturn;\n-\n-\tcompl->err = err;\n-\tcomplete(&compl->completion);\n-}\n-\n /*\n * Verify a signature using a public key.\n */\n int public_key_verify_signature(const struct public_key *pkey,\n \t\t\t\tconst struct public_key_signature *sig)\n {\n-\tstruct public_key_completion compl;\n+\tstruct crypto_wait cwait;\n \tstruct crypto_akcipher *tfm;\n \tstruct akcipher_request *req;\n \tstruct scatterlist sig_sg, digest_sg;\n@@ -131,20 +115,16 @@ int public_key_verify_signature(const struct public_key *pkey,\n \tsg_init_one(&digest_sg, output, outlen);\n \takcipher_request_set_crypt(req, &sig_sg, &digest_sg, sig->s_size,\n \t\t\t\t outlen);\n-\tinit_completion(&compl.completion);\n+\tcrypto_init_wait(&cwait);\n \takcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG |\n \t\t\t\t CRYPTO_TFM_REQ_MAY_SLEEP,\n-\t\t\t\t public_key_verify_done, &compl);\n+\t\t\t\t crypto_req_done, &cwait);\n \n \t/* Perform the verification calculation. This doesn't actually do the\n \t * verification, but rather calculates the hash expected by the\n \t * signature and returns that to us.\n \t */\n-\tret = crypto_akcipher_verify(req);\n-\tif ((ret == -EINPROGRESS) || (ret == -EBUSY)) {\n-\t\twait_for_completion(&compl.completion);\n-\t\tret = compl.err;\n-\t}\n+\tret = crypto_wait_req(crypto_akcipher_verify(req), &cwait);\n \tif (ret < 0)\n \t\tgoto out_free_output;\n \n", "prefixes": [ "v8", "08/20" ] }