Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.2/patches/2220574/?format=api
{ "id": 2220574, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2220574/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/15828cd5a57af373fa2e7025bdb7ef0d0a1143bb.1775569027.git.ritesh.list@gmail.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<15828cd5a57af373fa2e7025bdb7ef0d0a1143bb.1775569027.git.ritesh.list@gmail.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/15828cd5a57af373fa2e7025bdb7ef0d0a1143bb.1775569027.git.ritesh.list@gmail.com/", "date": "2026-04-07T14:31:40", "name": "[RFC,v1,6/6] pseries/papr-hvpipe: Simplify error handling in papr_hvpipe_init()", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "ec6da01878afc0eb209a07e6e1b538e373957af4", "submitter": { "id": 79126, "url": "http://patchwork.ozlabs.org/api/1.2/people/79126/?format=api", "name": "Ritesh Harjani (IBM)", "email": "ritesh.list@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/15828cd5a57af373fa2e7025bdb7ef0d0a1143bb.1775569027.git.ritesh.list@gmail.com/mbox/", "series": [ { "id": 498988, "url": "http://patchwork.ozlabs.org/api/1.2/series/498988/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498988", "date": "2026-04-07T14:31:34", "name": "pseries/papr-hvpipe: Fix and simplify papr-hvpipe", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498988/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220574/comments/", "check": "fail", "checks": "http://patchwork.ozlabs.org/api/patches/2220574/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19441-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=lAjfUGxN;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-19441-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=\"2607:f8b0:4864:20::629\"", "lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com", "lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=lAjfUGxN;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com\n (client-ip=2607:f8b0:4864:20::629; helo=mail-pl1-x629.google.com;\n envelope-from=ritesh.list@gmail.com; receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org\n [IPv6:2404:9400:21b9:f100::1])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fqpZN5NzMz1xy1\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 08 Apr 2026 00:32:44 +1000 (AEST)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fqpZ04ZCmz2yj1;\n\tWed, 08 Apr 2026 00:32:24 +1000 (AEST)", "from mail-pl1-x629.google.com (mail-pl1-x629.google.com\n [IPv6:2607:f8b0:4864:20::629])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fqpYz6hntz2ySk\n\tfor <linuxppc-dev@lists.ozlabs.org>; Wed, 08 Apr 2026 00:32:23 +1000 (AEST)", "by mail-pl1-x629.google.com with SMTP id\n d9443c01a7336-2aaf43014d0so35899155ad.2\n for <linuxppc-dev@lists.ozlabs.org>;\n Tue, 07 Apr 2026 07:32:23 -0700 (PDT)", "from Mac.localdomain.com ([49.205.216.49])\n by smtp.gmail.com with ESMTPSA id\n d9443c01a7336-2b2749cbc58sm181201525ad.78.2026.04.07.07.32.17\n (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256);\n Tue, 07 Apr 2026 07:32:20 -0700 (PDT)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1775572344;\n\tcv=none;\n b=GLeanSsQbGwPt03sGSVZBC18Ta1+WHXYCcVKRUEG1Lk1PgdxZ5hkhmZNPBuU9x5gJEvS7eelLOHC5xXQoKshQsIPUdHPsOvZ+j0mrNeQ1ht28SpAMY73pf5KV1YM0DrY5gvCEhqITn8jqjxIL0G3VsoZNgZI7NN0lFfz0Z7zCnv6Zd9Zl+3qbDiuMD5m53xxiNzQ71UibHz+BND+ntQpi3IdSQRPmCdfBu8A0REU09mf6L/K67kIvHKMNEQ3VB9idwH47H7tgv2031ow/vjNvUostZUvmTqLA2QN5jTgwYZpmoTwhoXHokOk6Jvqul2EzmA51DBQfb61oEcbaro9uw==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1775572344; c=relaxed/relaxed;\n\tbh=PY3ak4gklrB7dT78Kl3RlnvUvqFrPFBtFQWCDk/TdtE=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=i4ciLaYMPCO2c1LUlGMYL8VgB+Nfov/xZwzhxmr3ZF2woObdh1CTWoFxI9dDFGe95V2QEfm5LqZerUkiVqe0YvPtc6I81UIZ1XJQSpgNicsNOu9a21zg1/6NNXCpNQRiZ838qnXJQeKVHKQvdRyy4GOJDzulOo5VoTVjw10dGCTsf4Dy5A053MSyKzM7B3x77JE9bsdiCmXmS/e0Le25mpJ+PmXyyFeNJUFOngQ5CR+0P0hTqq9oYQWqYcOukRpRQvzEoNKE8+KIgIYiyevdHuEaJlMuh0bZPMZLxzOBrz+TQlp0HeBNe3KhuVSE3NB1ei7ZaTojFsyvJzNFgo5xdw==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=lAjfUGxN; dkim-atps=neutral;\n spf=pass (client-ip=2607:f8b0:4864:20::629; helo=mail-pl1-x629.google.com;\n envelope-from=ritesh.list@gmail.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=gmail.com; s=20251104; t=1775572341; x=1776177141;\n darn=lists.ozlabs.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=PY3ak4gklrB7dT78Kl3RlnvUvqFrPFBtFQWCDk/TdtE=;\n b=lAjfUGxNctIdomhNd8q/owhLMsF14WyV3YBY0oQPhHxYLYA6tTZIg3ijNs5jK5xMGJ\n cyxPVRpiE6dOXuE1SxgOLtRyQBlw/co/cXr/1UuzxPG96ZDO/XaDI0iMgXesMJfmGHQ7\n xL4Ta9lWvzOQye3RNxjvSvlZlLj3c4v1HNJMINzQ4hw6rhEgwPv4Ac1iae58TtHWX8g9\n 9oyfXUbqHFF/ZY8i+hn/ebZ6HpkMKI5wj5K8g+p3WouLGCSVDnvMYsN7ydDJYbXzHsnT\n 0bJDzGVfm2bcpKgIQCLn9GevlksBEngyTQ3zc+3vMeM1a76liH1X7QMOTxvON9zS3BEe\n ykug==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775572341; x=1776177141;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=PY3ak4gklrB7dT78Kl3RlnvUvqFrPFBtFQWCDk/TdtE=;\n b=c4ANdXCISs+ivqoRPU3J+0Y6c97Br73allC0/LkUqRHqkc7wIQMczQUVg26aX2fso8\n H9hbPW+pSg05pOxVCSP5a6Qo7E4xL0qyTHRakkvLkFAHFyHChv2Q2t24r53NAnc4yadv\n dvLIH0QcVvYwEpHW3WVktuJpA04HEMdLUOingBCYqGTTha1u5Ss/jT7yGfkonBt8wEYh\n WYCWkZ8VAE32F5V0L9N76hrm1+u+sllrqm+6FWyWlO4H/0KKW4vRDexvm1LH/lzM0Eqz\n pFnvzWmdpI4xOe1Okmq2jawyx5WWmDhHwYISvLqxfpcWrgeQUZynUo/Y5c++QqSRCKxr\n wGwg==", "X-Gm-Message-State": "AOJu0YxAQhDKShxHY0RzMPB7NX1jPo15zKISoqsqprDFMVjcX6GeCj2t\n\tIPdmDJn/Q7VSrJ8vodwu4dp//+5IDEcuKROSnlhGSiyzbwk5t8F5Qrke9frc9w==", "X-Gm-Gg": "AeBDievuIPqg4sFc8bYJX6T1Gqx77gGcBiikIBedCdZqYHnVXAyHaO8EOx3Nofc0Z8r\n\tDhQwjYqnZU+fK4/vW+p0AlQJCo2yWJFtw3p0eLTzxYQ3kiGWwvZhpEqamj79tY7cjcFlvOWan8d\n\tv9q/7R9cxDf0YOzkmyCdIXO6tcV/TkhRQJ6cABP6/edjlKatTFhVaUUe82ov28gSBsmTwrt3e9w\n\tw6daG/oFBMXF8fktgRxdsKZFpWoevgowf+l1y3tEYQST2o97h6M4Ubvsx3cuYQs946iemmuqRNa\n\tU9gPbZehmEOZxjTkrCqf8qYUS1RsGBmT2MJ691wvDFb/zmXvhFnm80WyoxXOT4N/HfAArFCq5zb\n\t583cTKWUhNMPhHFPMtkVV51DgZ14dVs47kK3yS/5tBu+lj220krErB+0SGWqGN1TkjG3/H/I9Pm\n\tn+GixgOkcNrU6naDKugYBhxNAVuvHkUy6xKxL+g39LkttSpCf9Z37SId0lMXiv", "X-Received": "by 2002:a17:903:8c5:b0:2b2:4d36:7aa with SMTP id\n d9443c01a7336-2b281932d71mr188155645ad.35.1775572341300;\n Tue, 07 Apr 2026 07:32:21 -0700 (PDT)", "From": "\"Ritesh Harjani (IBM)\" <ritesh.list@gmail.com>", "To": "linuxppc-dev@lists.ozlabs.org,\n\tHaren Myneni <haren@linux.ibm.com>", "Cc": "Madhavan Srinivasan <maddy@linux.ibm.com>,\n\tChristophe Leroy <chleroy@kernel.org>,\n\tVenkat Rao Bagalkote <venkat88@linux.ibm.com>,\n\tNicholas Piggin <npiggin@gmail.com>,\n\tlinux-kernel@vger.kernel.org,\n\t\"Ritesh Harjani (IBM)\" <ritesh.list@gmail.com>", "Subject": "[RFC v1 6/6] pseries/papr-hvpipe: Simplify error handling in\n papr_hvpipe_init()", "Date": "Tue, 7 Apr 2026 20:01:40 +0530", "Message-ID": "\n <15828cd5a57af373fa2e7025bdb7ef0d0a1143bb.1775569027.git.ritesh.list@gmail.com>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<cover.1775569027.git.ritesh.list@gmail.com>", "References": "<cover.1775569027.git.ritesh.list@gmail.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tDKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Remove such 3 levels of nesting patterns to check success return values\nfrom function calls.\n\nret = enable_hvpipe_IRQ()\n if (!ret)\n\t ret = set_hvpipe_sys_param(1)\n\t if (!ret)\n\t\t ret = misc_register()\n\nInstead just bail out to \"out*:\" labels, in case of any error. This\nsimplifies the init flow.\n\nSigned-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>\n---\n arch/powerpc/platforms/pseries/papr-hvpipe.c | 26 +++++++++++---------\n 1 file changed, 15 insertions(+), 11 deletions(-)\n\n--\n2.39.5", "diff": "diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.c b/arch/powerpc/platforms/pseries/papr-hvpipe.c\nindex f41f5c0a8418..03ec004a6701 100644\n--- a/arch/powerpc/platforms/pseries/papr-hvpipe.c\n+++ b/arch/powerpc/platforms/pseries/papr-hvpipe.c\n@@ -768,23 +768,27 @@ static int __init papr_hvpipe_init(void)\n \t}\n\n \tret = enable_hvpipe_IRQ();\n-\tif (!ret) {\n-\t\tret = set_hvpipe_sys_param(1);\n-\t\tif (!ret)\n-\t\t\tret = misc_register(&papr_hvpipe_dev);\n-\t}\n+\tif (ret)\n+\t\tgoto out_wq;\n\n-\tif (!ret) {\n-\t\tpr_info(\"hvpipe feature is enabled\\n\");\n-\t\thvpipe_feature = true;\n-\t\treturn 0;\n-\t}\n+\tret = set_hvpipe_sys_param(1);\n+\tif (ret)\n+\t\tgoto out_wq;\n\n-\tpr_err(\"hvpipe feature is not enabled %d\\n\", ret);\n+\tret = misc_register(&papr_hvpipe_dev);\n+\tif (ret)\n+\t\tgoto out_wq;\n+\n+\tpr_info(\"hvpipe feature is enabled\\n\");\n+\thvpipe_feature = true;\n+\treturn 0;\n+\n+out_wq:\n \tdestroy_workqueue(papr_hvpipe_wq);\n out:\n \tkfree(papr_hvpipe_work);\n \tpapr_hvpipe_work = NULL;\n+\tpr_err(\"hvpipe feature is not enabled %d\\n\", ret);\n \treturn ret;\n }\n machine_device_initcall(pseries, papr_hvpipe_init);\n", "prefixes": [ "RFC", "v1", "6/6" ] }