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GET /api/1.1/patches/2229106/?format=api
{ "id": 2229106, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229106/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427-qom-tests-v1-7-c413f3605311@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260427-qom-tests-v1-7-c413f3605311@redhat.com>", "date": "2026-04-27T19:42:06", "name": "[07/41] qom: skip link property check callback when clearing link", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "440426476054227142784589fc4d1064e05d5f49", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/1.1/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427-qom-tests-v1-7-c413f3605311@redhat.com/mbox/", "series": [ { "id": 501716, "url": "http://patchwork.ozlabs.org/api/1.1/series/501716/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501716", "date": "2026-04-27T19:42:03", "name": "Fix various QOM object life-cycle issues", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501716/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229106/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229106/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=QepGUPc7;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1777318989;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=dkX4SaBJSWzoDN/sOyJvVpRC/vSgOt3wi3wuQ84cUVk=;\n b=QepGUPc7ydkDS0Kqkk+XA0k1WNAakvGbDH6VQgAA3C0GznQj7B7BIV5SQkKFR+HiBHd3YA\n VDvASYvQeE2JpTiyU1Qc5b8IPNhl0kg5pfol558I1nBbJkDqKEAEyVVMUwGN00q9MhHobh\n puZpwNSzla2OxNO4iyXTdCPxDMMxrSI=", "X-MC-Unique": "owOWmJtIOk6rRrLYNehKWA-1", "X-Mimecast-MFC-AGG-ID": "owOWmJtIOk6rRrLYNehKWA_1777318987", "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>", "Date": "Mon, 27 Apr 2026 23:42:06 +0400", "Subject": "[PATCH 07/41] qom: skip link property check callback when clearing\n link", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260427-qom-tests-v1-7-c413f3605311@redhat.com>", "References": "<20260427-qom-tests-v1-0-c413f3605311@redhat.com>", "In-Reply-To": "<20260427-qom-tests-v1-0-c413f3605311@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "armbru@redhat.com,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1162;\n i=marcandre.lureau@redhat.com; h=from:subject:message-id;\n bh=vC5EqRuLT1EHVRF50SbrOTYnlQJlgmg5h0I92toPkN4=;\n b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBp77wUuEHAbsYlatMksb7LilqMPlMdLwvSSQuJl\n 9b1KUoGSH6JAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCae+8FAAKCRDa6OEJdZac\n 5RYuD/sFkxlPXbMwzaV6K6bhiZH2HINk243XPDTtBVV9408K/K28p5QpmJFcCxnJPqyCF8EACkQ\n Cpn1L1irJP4EqS9YVShUOVlBDA5duSI0a+sGT396B5AM6mIScBXnNY/TpqSORTRR6WuqS4KafzY\n XcydlKxzP5HocaxiE4Jts5J1ODhVFRrEg+OCbZ7OFHP4r/gitaXslJDatrH9NidHdW2gixaR63p\n FLvWnG3ZB3k5q/6ajWR93MYE5Ahpj+34GPAu9a1Ex+d6FCTU/7E8PMyok9uPL1jZy88+1CH2pfA\n CBu8DK3e5yO1j93ykVKYTvCkfuIdVfujJyhnEfouSAVnglCNUCk0V3rAJRvePy2cpsaZjYAnQbZ\n f/T041/yRT7VoPEFtPXnoz2Cofi8TgTeEV+NXyeeuI2sikiPPUixyvcj7ecz308sCVwLtpyatuE\n fItz+BikPN3kFoN81TG/cK4tjtWIOPBYluaP7nA+7UI2nLU5e1MFgRnkn1y5mXrpIAAJ7k8CfGX\n jRiIED/i2Grt5S3dW30zWsC+Pba/RN7tUDiXGsXqmz/KHgf793A+sesrz9pyZwtb/H3/mwCSn5p\n 9nrDqTD96OWKtabsAU0sOp6TIeNL025tSeBQev04e7dp+noKD8p27tK5PDbi7RBANxSFe9VGodC\n XtRPbqT5PmDKbug==", "X-Developer-Key": "i=marcandre.lureau@redhat.com; a=openpgp;\n fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "Received-SPF": "pass client-ip=170.10.129.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "When setting a link property to an empty string (clearing the link),\nnew_target is NULL. The check callback is still invoked with this NULL\nvalue, but callbacks like isa_ipmi_bmc_check() cast it with\ntype-checking macros (IPMI_BMC(val)) which crash on NULL.\n\nThere is nothing to validate when the link is being cleared, so skip\nthe check callback entirely when new_target is NULL.\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n qom/object.c | 10 ++++++----\n 1 file changed, 6 insertions(+), 4 deletions(-)", "diff": "diff --git a/qom/object.c b/qom/object.c\nindex f981e270440..c50334b3023 100644\n--- a/qom/object.c\n+++ b/qom/object.c\n@@ -1903,10 +1903,12 @@ static void object_set_link_property(Object *obj, Visitor *v,\n \n g_free(path);\n \n- prop->check(obj, name, new_target, &local_err);\n- if (local_err) {\n- error_propagate(errp, local_err);\n- return;\n+ if (new_target) {\n+ prop->check(obj, name, new_target, &local_err);\n+ if (local_err) {\n+ error_propagate(errp, local_err);\n+ return;\n+ }\n }\n \n *targetp = new_target;\n", "prefixes": [ "07/41" ] }