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GET /api/patches/2195033/?format=api
{ "id": 2195033, "url": "http://patchwork.ozlabs.org/api/patches/2195033/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121438.67781-4-mjt@tls.msk.ru/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260210121438.67781-4-mjt@tls.msk.ru>", "list_archive_url": null, "date": "2026-02-10T12:14:13", "name": "[Stable-10.2.1,60/78] hw/i2c/aspeed_i2c.c: Add a check for dma_read", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "60052bbd9d902dfd746279560bbb1bbf630fcd1d", "submitter": { "id": 183, "url": "http://patchwork.ozlabs.org/api/people/183/?format=api", "name": "Michael Tokarev", "email": "mjt@tls.msk.ru" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210121438.67781-4-mjt@tls.msk.ru/mbox/", "series": [ { "id": 491661, "url": "http://patchwork.ozlabs.org/api/series/491661/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491661", "date": "2026-02-10T12:14:13", "name": "Patch Round-up for stable 10.2.1, freeze on 2026-02-10 (frozen)", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491661/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195033/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195033/checks/", "tags": {}, "related": [], "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 spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f9LBZ3kWpz1xvb\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 23:16:06 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpmds-0000hY-Ih; Tue, 10 Feb 2026 07:14:56 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmdq-0000gY-SC; Tue, 10 Feb 2026 07:14:54 -0500", "from isrv.corpit.ru ([212.248.84.144])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <mjt@tls.msk.ru>)\n id 1vpmdp-0008Ps-2h; Tue, 10 Feb 2026 07:14:54 -0500", "from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2])\n by isrv.corpit.ru (Postfix) with ESMTP id AFDD6187D9E;\n Tue, 10 Feb 2026 15:13:51 +0300 (MSK)", "from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146])\n by tsrv.corpit.ru (Postfix) with ESMTP id 4CEBA360CC0;\n Tue, 10 Feb 2026 15:14:47 +0300 (MSK)" ], "From": "Michael Tokarev <mjt@tls.msk.ru>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-stable@nongnu.org, Nabih Estefan <nabihestefan@google.com>,\n\t=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@redhat.com>,\n Michael Tokarev <mjt@tls.msk.ru>", "Subject": "[Stable-10.2.1 60/78] hw/i2c/aspeed_i2c.c: Add a check for dma_read", "Date": "Tue, 10 Feb 2026 15:14:13 +0300", "Message-ID": "<20260210121438.67781-4-mjt@tls.msk.ru>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<qemu-stable-10.2.1-20260210151332@cover.tls.msk.ru>", "References": "<qemu-stable-10.2.1-20260210151332@cover.tls.msk.ru>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=212.248.84.144; envelope-from=mjt@tls.msk.ru;\n helo=isrv.corpit.ru", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=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": "From: Nabih Estefan <nabihestefan@google.com>\n\nIf aspeed_i2c_dma_read fails in aspeed_i2c_bus_send currently, we get\nstuck in an infinite retry loop. Add a check for the return value of\naspeed_i2c_dma_read that will break us out of said loop.\n\nSigned-off-by: Nabih Estefan <nabihestefan@google.com>\nReviewed-by: Cédric Le Goater <clg@redhat.com>\nFixes: 545d6bef7097 (\"aspeed/i2c: Add support for DMA transfers\")\nLink: https://lore.kernel.org/qemu-devel/20260120211116.1367476-1-nabihestefan@google.com\nSigned-off-by: Cédric Le Goater <clg@redhat.com>\n(cherry picked from commit 0a1d4770670297a1da52118f84812e4a5ffc7722)\nSigned-off-by: Michael Tokarev <mjt@tls.msk.ru>", "diff": "diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c\nindex 83fb906bdc..765a98b698 100644\n--- a/hw/i2c/aspeed_i2c.c\n+++ b/hw/i2c/aspeed_i2c.c\n@@ -272,7 +272,11 @@ static int aspeed_i2c_bus_send(AspeedI2CBus *bus)\n }\n while (bus->regs[reg_dma_len]) {\n uint8_t data;\n- aspeed_i2c_dma_read(bus, &data);\n+ ret = aspeed_i2c_dma_read(bus, &data);\n+ /* Check that we were able to read the DMA */\n+ if (ret) {\n+ break;\n+ }\n trace_aspeed_i2c_bus_send(\"DMA\", bus->regs[reg_dma_len],\n bus->regs[reg_dma_len], data);\n ret = i2c_send(bus->bus, data);\n", "prefixes": [ "Stable-10.2.1", "60/78" ] }