get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/1.1/patches/2230154/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2230154,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230154/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260429114208.941011-2-holger.brunck@hitachienergy.com/",
    "project": {
        "id": 2,
        "url": "http://patchwork.ozlabs.org/api/1.1/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/"
    },
    "msgid": "<20260429114208.941011-2-holger.brunck@hitachienergy.com>",
    "date": "2026-04-29T11:42:08",
    "name": "[2/2] net: wan: fsl_ucc_hdlc: fix ucc_hdlc_remove",
    "commit_ref": null,
    "pull_url": null,
    "state": "handled-elsewhere",
    "archived": false,
    "hash": "d7ea50e545d3038a5d5fff65ee5346a9aa1c6919",
    "submitter": {
        "id": 82682,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/82682/?format=api",
        "name": "Holger Brunck",
        "email": "holger.brunck@hitachienergy.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260429114208.941011-2-holger.brunck@hitachienergy.com/mbox/",
    "series": [
        {
            "id": 502042,
            "url": "http://patchwork.ozlabs.org/api/1.1/series/502042/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502042",
            "date": "2026-04-29T11:42:08",
            "name": "[1/2] net: wan: fsl_ucc_hdlc: fix uhdlc_memclean",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/502042/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2230154/comments/",
    "check": "success",
    "checks": "http://patchwork.ozlabs.org/api/patches/2230154/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "\n <linuxppc-dev+bounces-20274-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 (1024-bit key;\n unprotected) header.d=hitachienergy.com header.i=@hitachienergy.com\n header.a=rsa-sha256 header.s=duo-1630306886989-947ac67a header.b=nbjJap7m;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=outbound.mailhop.org header.i=@outbound.mailhop.org\n header.a=rsa-sha256 header.s=dkim-high header.b=kz0kNcUS;\n\tdkim-atps=neutral",
            "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-20274-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)",
            "lists.ozlabs.org;\n arc=none smtp.remote-ip=18.158.144.38",
            "lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=hitachienergy.com",
            "lists.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=hitachienergy.com header.i=@hitachienergy.com\n header.a=rsa-sha256 header.s=duo-1630306886989-947ac67a header.b=nbjJap7m;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=outbound.mailhop.org header.i=@outbound.mailhop.org\n header.a=rsa-sha256 header.s=dkim-high header.b=kz0kNcUS;\n\tdkim-atps=neutral",
            "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=hitachienergy.com\n (client-ip=18.158.144.38; helo=out-ip0052.fra.mailhop.org;\n envelope-from=holger.brunck@hitachienergy.com; receiver=lists.ozlabs.org)"
        ],
        "Received": [
            "from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1 raw public key)\n server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5GDJ5zb9z1yHZ\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 29 Apr 2026 22:03:43 +1000 (AEST)",
            "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4g5GDG73ztz2ykf;\n\tWed, 29 Apr 2026 22:03:42 +1000 (AEST)",
            "from out-ip0052.fra.mailhop.org (out-ip0052.fra.mailhop.org\n [18.158.144.38])\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 4g5GDF0C6rz2yVL\n\tfor <linuxppc-dev@lists.ozlabs.org>; Wed, 29 Apr 2026 22:03:40 +1000 (AEST)",
            "from HPG0000000548.corp.hitachi-powergrids.com (unknown\n [20.62.140.138])\n\tby outbound2.eu.mailhop.org (Halon) with ESMTPSA\n\tid 775d39e3-43c0-11f1-8259-bda8640e0fbb;\n\tWed, 29 Apr 2026 11:42:18 +0000 (UTC)",
            "from gitsiv.hitachienergy.com (unknown [10.54.139.14])\n\tby HPG0000000548.corp.hitachi-powergrids.com (Postfix) with ESMTP id\n B5BD5158F;\n\tWed, 29 Apr 2026 11:42:13 +0000 (UTC)",
            "from chbrn3-p-dev015.keymile.net (chbrn3-p-dev015.keymile.net\n [172.31.41.201])\n\tby gitsiv.hitachienergy.com (Postfix) with ESMTP id 412B6637F985;\n\tWed, 29 Apr 2026 13:42:13 +0200 (CEST)"
        ],
        "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1777464222;\n\tcv=none;\n b=kPSRL72lxl3svgCdBqxa9kBt+QeoDtBq72Yz5NcRtW/2z+2WSnnFOuAuTSVyNX9DkC3PHdLFZYpfeoCQfviKYAx8kNdssN3KFyrdA1xBKt3Njh2Tk6NPbPr4S+YRgBPEPrRQNN6I33Z+h7gZPVTCiI8qeEzZxmWe1SwSYcRuXpqRj0nbdi7EGd4zBq0jEi2lXI6ZHDFUVS2hMSY6knMSTC+HHM29f68GxD3A5hEiw13I6R9gLD4Pts2cuRbwhiUXbRdHMw9X/4VZolcnCFuCDf7v2VCoXWPSCuquoqzLy5b+C/Oh+6CiNqJXtO1DYtCEeETwk5aOB36xKnp0U3aYsQ==",
        "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1777464222; c=relaxed/relaxed;\n\tbh=L8KWtdPE2JalTOCUmy3pa9Xkw2o8VCxZ9+OBKyymtC8=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=gWNlD+BO94KL3hs2wWIP+WmiXykvqLcPPJDHO715sYknIP5bpUZvsqy3F8D1Ug/MM6BVw8On8VOGgUNbP8AIIpw+U+yYBwc5NZWF+XjVIN79VUi38hXkvaO7dhkmc09a/zVJi9xNNpo/WxwiXqd/dd8IBB26+EH1amCK3e9jim9bhdMFRxHetCFtxB2ZJGwAqIvDSC3LpM6M0OiAv2kWuJGJr0NtEI8tGTW237EWXv0nTCFWLvZmxCwOjMD4ZX9QQ26EFrnOkc00i0VJwaddk7NLdv1V8fRBGxTxfGdvp24CX6uctpr3VsA2o+NoVGh86k+ywAFSdPP30skE+Chw4Q==",
        "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=hitachienergy.com;\n dkim=pass (1024-bit key;\n unprotected) header.d=hitachienergy.com header.i=@hitachienergy.com\n header.a=rsa-sha256 header.s=duo-1630306886989-947ac67a header.b=nbjJap7m;\n dkim=pass (2048-bit key;\n unprotected) header.d=outbound.mailhop.org header.i=@outbound.mailhop.org\n header.a=rsa-sha256 header.s=dkim-high header.b=kz0kNcUS; dkim-atps=neutral;\n spf=pass (client-ip=18.158.144.38; helo=out-ip0052.fra.mailhop.org;\n envelope-from=holger.brunck@hitachienergy.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=hitachienergy.com",
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=hitachienergy.com; s=duo-1630306886989-947ac67a;\n\th=content-transfer-encoding:mime-version:references:in-reply-to:message-id:date:\n\t subject:cc:to:from:cfbl-address:cfbl-feedback-id:from;\n\tbh=L8KWtdPE2JalTOCUmy3pa9Xkw2o8VCxZ9+OBKyymtC8=;\n\tb=nbjJap7m4j+Q0FUNBANh6VVe0R4X9CyL6DCL+sPk56ESQkFgkesFRIgye4Ieu7EYfKKxYW75BUrdA\n\t mEmxyP5vukeMYPybFAIN7bWTGw+kXPcfKGRlcAhvcVCRwxL41FyrMPT/6hW7qHfRx7M6kpJIv5lROZ\n\t kq+Rq+MfrZEMiRAs=",
            "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=outbound.mailhop.org; s=dkim-high;\n\th=content-transfer-encoding:mime-version:references:in-reply-to:message-id:date:\n\t subject:cc:to:from:cfbl-address:cfbl-feedback-id:from;\n\tbh=L8KWtdPE2JalTOCUmy3pa9Xkw2o8VCxZ9+OBKyymtC8=;\n\tb=kz0kNcUSsI5Tw/+Ld9hqOOdF9Ofo8XOWhFJif8qT4Dlkuzfp+aLKoqNuSQWr+2P5FhoZ6gvB++f32\n\t vxl93SUyHWlWONKGI5tQOcxQWWuO3wXW3wfVQORUz9ix6KKIsIubIMhsSCWcs1LdQ/OSbES+C0t0oL\n\t 9sDT5XjRKUe2gL7cgGuG62cyG5ez1yQhGJ4U+Qk1GZQxeAvlfV4g8MARvXYAZHfdJYIkqCFCldX9eH\n\t 57EXfLAY8AtvBD6wAl9BPw8W5aRHg0wzdpgemfxF6j/hbLFIRJLBJrUm1jMWXL2g0zxRgYoOF8BSy6\n\t TShXpOqYP5hBwnD4QEpl2dLekM93jlw=="
        ],
        "X-Originating-IP": "20.62.140.138",
        "X-MHO-RoutePath": "aGVkY3NtdHA=",
        "X-MHO-User": "775d39e3-43c0-11f1-8259-bda8640e0fbb",
        "X-Report-Abuse-To": "\n https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information",
        "X-Mail-Handler": "DuoCircle Outbound SMTP",
        "CFBL-Feedback-ID": "775d39e3-43c0-11f1-8259-bda8640e0fbb:5",
        "CFBL-Address": "prvs=057955d709=abuse@outbound.mailhop.org; report=arf",
        "From": "Holger Brunck <holger.brunck@hitachienergy.com>",
        "To": "netdev@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org",
        "Cc": "andrew+netdev@lunn.ch,\n\tchleroy@kernel.org,\n\tqiang.zhao@nxp.com,\n\tHolger Brunck <holger.brunck@hitachienergy.com>",
        "Subject": "[PATCH 2/2] net: wan: fsl_ucc_hdlc: fix ucc_hdlc_remove",
        "Date": "Wed, 29 Apr 2026 13:42:08 +0200",
        "Message-ID": "<20260429114208.941011-2-holger.brunck@hitachienergy.com>",
        "X-Mailer": "git-send-email 2.52.0.120.gb31ab939fe",
        "In-Reply-To": "<20260429114208.941011-1-holger.brunck@hitachienergy.com>",
        "References": "<20260429114208.941011-1-holger.brunck@hitachienergy.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=DKIMWL_WL_MED,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,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": "If the driver is used in a non tdm mode priv->utdm is a NULL pointer.\nTherefore we need to check this pointer first before checking si_regs.\n\nSigned-off-by: Holger Brunck <holger.brunck@hitachienergy.com>\n---\n drivers/net/wan/fsl_ucc_hdlc.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c\nindex 8155e92af14e..15bfb78381d4 100644\n--- a/drivers/net/wan/fsl_ucc_hdlc.c\n+++ b/drivers/net/wan/fsl_ucc_hdlc.c\n@@ -1250,12 +1250,12 @@ static void ucc_hdlc_remove(struct platform_device *pdev)\n \n \tuhdlc_memclean(priv);\n \n-\tif (priv->utdm->si_regs) {\n+\tif (priv->utdm && priv->utdm->si_regs) {\n \t\tiounmap(priv->utdm->si_regs);\n \t\tpriv->utdm->si_regs = NULL;\n \t}\n \n-\tif (priv->utdm->siram) {\n+\tif (priv->utdm && priv->utdm->siram) {\n \t\tiounmap(priv->utdm->siram);\n \t\tpriv->utdm->siram = NULL;\n \t}\n",
    "prefixes": [
        "2/2"
    ]
}