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{
    "id": 810150,
    "url": "http://patchwork.ozlabs.org/api/patches/810150/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/1504615144-29770-5-git-send-email-gilad@benyossef.com/",
    "project": {
        "id": 12,
        "url": "http://patchwork.ozlabs.org/api/projects/12/?format=api",
        "name": "Linux CIFS Client",
        "link_name": "linux-cifs-client",
        "list_id": "linux-cifs.vger.kernel.org",
        "list_email": "linux-cifs@vger.kernel.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1504615144-29770-5-git-send-email-gilad@benyossef.com>",
    "list_archive_url": null,
    "date": "2017-09-05T12:38:43",
    "name": "[v8,04/20] crypto: remove redundant backlog checks on EBUSY",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "56cdb371e1730cedc8de65b6c4894f5f7c41fa77",
    "submitter": {
        "id": 11198,
        "url": "http://patchwork.ozlabs.org/api/people/11198/?format=api",
        "name": "Gilad Ben-Yossef",
        "email": "gilad@benyossef.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/1504615144-29770-5-git-send-email-gilad@benyossef.com/mbox/",
    "series": [
        {
            "id": 1572,
            "url": "http://patchwork.ozlabs.org/api/series/1572/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=1572",
            "date": "2017-09-05T12:38:39",
            "name": "simplify crypto wait for async op",
            "version": 8,
            "mbox": "http://patchwork.ozlabs.org/series/1572/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810150/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810150/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<linux-cifs-owner@vger.kernel.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.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=linux-cifs-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 3xmmjQ6l0qz9t16\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue,  5 Sep 2017 22:48:26 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751796AbdIEMkY (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tTue, 5 Sep 2017 08:40:24 -0400",
            "from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:39102 \"EHLO\n\tfoss.arm.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751678AbdIEMkU (ORCPT <rfc822;linux-cifs@vger.kernel.org>);\n\tTue, 5 Sep 2017 08:40:20 -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 29A411596;\n\tTue,  5 Sep 2017 05:40:19 -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\t3CE043F3E1; Tue,  5 Sep 2017 05:40:09 -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 04/20] crypto: remove redundant backlog checks on EBUSY",
        "Date": "Tue,  5 Sep 2017 15:38:43 +0300",
        "Message-Id": "<1504615144-29770-5-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": "linux-cifs-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<linux-cifs.vger.kernel.org>",
        "X-Mailing-List": "linux-cifs@vger.kernel.org"
    },
    "content": "Now that -EBUSY return code only indicates backlog queueing\nwe can safely remove the now redundant check for the\nCRYPTO_TFM_REQ_MAY_BACKLOG flag when -EBUSY is returned.\n\nSigned-off-by: Gilad Ben-Yossef <gilad@benyossef.com>\n---\n crypto/ahash.c        | 12 +++---------\n crypto/cts.c          |  6 ++----\n crypto/lrw.c          |  8 ++------\n crypto/rsa-pkcs1pad.c | 16 ++++------------\n crypto/xts.c          |  8 ++------\n 5 files changed, 13 insertions(+), 37 deletions(-)",
    "diff": "diff --git a/crypto/ahash.c b/crypto/ahash.c\nindex 5e8666e..3a35d67 100644\n--- a/crypto/ahash.c\n+++ b/crypto/ahash.c\n@@ -334,9 +334,7 @@ static int ahash_op_unaligned(struct ahash_request *req,\n \t\treturn err;\n \n \terr = op(req);\n-\tif (err == -EINPROGRESS ||\n-\t    (err == -EBUSY && (ahash_request_flags(req) &\n-\t\t\t       CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\treturn err;\n \n \tahash_restore_req(req, err);\n@@ -394,9 +392,7 @@ static int ahash_def_finup_finish1(struct ahash_request *req, int err)\n \treq->base.complete = ahash_def_finup_done2;\n \n \terr = crypto_ahash_reqtfm(req)->final(req);\n-\tif (err == -EINPROGRESS ||\n-\t    (err == -EBUSY && (ahash_request_flags(req) &\n-\t\t\t       CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\treturn err;\n \n out:\n@@ -432,9 +428,7 @@ static int ahash_def_finup(struct ahash_request *req)\n \t\treturn err;\n \n \terr = tfm->update(req);\n-\tif (err == -EINPROGRESS ||\n-\t    (err == -EBUSY && (ahash_request_flags(req) &\n-\t\t\t       CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\treturn err;\n \n \treturn ahash_def_finup_finish1(req, err);\ndiff --git a/crypto/cts.c b/crypto/cts.c\nindex 243f591..4773c18 100644\n--- a/crypto/cts.c\n+++ b/crypto/cts.c\n@@ -136,8 +136,7 @@ static void crypto_cts_encrypt_done(struct crypto_async_request *areq, int err)\n \t\tgoto out;\n \n \terr = cts_cbc_encrypt(req);\n-\tif (err == -EINPROGRESS ||\n-\t    (err == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\treturn;\n \n out:\n@@ -229,8 +228,7 @@ static void crypto_cts_decrypt_done(struct crypto_async_request *areq, int err)\n \t\tgoto out;\n \n \terr = cts_cbc_decrypt(req);\n-\tif (err == -EINPROGRESS ||\n-\t    (err == -EBUSY && req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\treturn;\n \n out:\ndiff --git a/crypto/lrw.c b/crypto/lrw.c\nindex a8bfae4..695cea9 100644\n--- a/crypto/lrw.c\n+++ b/crypto/lrw.c\n@@ -328,9 +328,7 @@ static int do_encrypt(struct skcipher_request *req, int err)\n \t\t      crypto_skcipher_encrypt(subreq) ?:\n \t\t      post_crypt(req);\n \n-\t\tif (err == -EINPROGRESS ||\n-\t\t    (err == -EBUSY &&\n-\t\t     req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\t\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\t\treturn err;\n \t}\n \n@@ -380,9 +378,7 @@ static int do_decrypt(struct skcipher_request *req, int err)\n \t\t      crypto_skcipher_decrypt(subreq) ?:\n \t\t      post_crypt(req);\n \n-\t\tif (err == -EINPROGRESS ||\n-\t\t    (err == -EBUSY &&\n-\t\t     req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\t\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\t\treturn err;\n \t}\n \ndiff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c\nindex 407c64b..2908f93 100644\n--- a/crypto/rsa-pkcs1pad.c\n+++ b/crypto/rsa-pkcs1pad.c\n@@ -279,9 +279,7 @@ static int pkcs1pad_encrypt(struct akcipher_request *req)\n \t\t\t\t   req->dst, ctx->key_size - 1, req->dst_len);\n \n \terr = crypto_akcipher_encrypt(&req_ctx->child_req);\n-\tif (err != -EINPROGRESS &&\n-\t\t\t(err != -EBUSY ||\n-\t\t\t !(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err != -EINPROGRESS && err != -EBUSY)\n \t\treturn pkcs1pad_encrypt_sign_complete(req, err);\n \n \treturn err;\n@@ -383,9 +381,7 @@ static int pkcs1pad_decrypt(struct akcipher_request *req)\n \t\t\t\t   ctx->key_size);\n \n \terr = crypto_akcipher_decrypt(&req_ctx->child_req);\n-\tif (err != -EINPROGRESS &&\n-\t\t\t(err != -EBUSY ||\n-\t\t\t !(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err != -EINPROGRESS && err != -EBUSY)\n \t\treturn pkcs1pad_decrypt_complete(req, err);\n \n \treturn err;\n@@ -440,9 +436,7 @@ static int pkcs1pad_sign(struct akcipher_request *req)\n \t\t\t\t   req->dst, ctx->key_size - 1, req->dst_len);\n \n \terr = crypto_akcipher_sign(&req_ctx->child_req);\n-\tif (err != -EINPROGRESS &&\n-\t\t\t(err != -EBUSY ||\n-\t\t\t !(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err != -EINPROGRESS && err != -EBUSY)\n \t\treturn pkcs1pad_encrypt_sign_complete(req, err);\n \n \treturn err;\n@@ -561,9 +555,7 @@ static int pkcs1pad_verify(struct akcipher_request *req)\n \t\t\t\t   ctx->key_size);\n \n \terr = crypto_akcipher_verify(&req_ctx->child_req);\n-\tif (err != -EINPROGRESS &&\n-\t\t\t(err != -EBUSY ||\n-\t\t\t !(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)))\n+\tif (err != -EINPROGRESS && err != -EBUSY)\n \t\treturn pkcs1pad_verify_complete(req, err);\n \n \treturn err;\ndiff --git a/crypto/xts.c b/crypto/xts.c\nindex d86c11a..af68012 100644\n--- a/crypto/xts.c\n+++ b/crypto/xts.c\n@@ -269,9 +269,7 @@ static int do_encrypt(struct skcipher_request *req, int err)\n \t\t      crypto_skcipher_encrypt(subreq) ?:\n \t\t      post_crypt(req);\n \n-\t\tif (err == -EINPROGRESS ||\n-\t\t    (err == -EBUSY &&\n-\t\t     req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\t\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\t\treturn err;\n \t}\n \n@@ -321,9 +319,7 @@ static int do_decrypt(struct skcipher_request *req, int err)\n \t\t      crypto_skcipher_decrypt(subreq) ?:\n \t\t      post_crypt(req);\n \n-\t\tif (err == -EINPROGRESS ||\n-\t\t    (err == -EBUSY &&\n-\t\t     req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))\n+\t\tif (err == -EINPROGRESS || err == -EBUSY)\n \t\t\treturn err;\n \t}\n \n",
    "prefixes": [
        "v8",
        "04/20"
    ]
}