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GET /api/1.1/patches/2220603/?format=api
{ "id": 2220603, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220603/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260407163121.480871-3-vinicius.peixoto@canonical.com/", "project": { "id": 15, "url": "http://patchwork.ozlabs.org/api/1.1/projects/15/?format=api", "name": "Ubuntu Kernel", "link_name": "ubuntu-kernel", "list_id": "kernel-team.lists.ubuntu.com", "list_email": "kernel-team@lists.ubuntu.com", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260407163121.480871-3-vinicius.peixoto@canonical.com>", "date": "2026-04-07T16:31:21", "name": "[SRU,Q:linux-azure,v2,1/1] net: hv_netvsc: reject RSS hash key programming without RX indirection table", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ed74f7365dd1f4059e43b77336548e82871fd027", "submitter": { "id": 88880, "url": "http://patchwork.ozlabs.org/api/1.1/people/88880/?format=api", "name": "Vinicius Peixoto", "email": "vinicius.peixoto@canonical.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260407163121.480871-3-vinicius.peixoto@canonical.com/mbox/", "series": [ { "id": 499001, "url": "http://patchwork.ozlabs.org/api/1.1/series/499001/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=499001", "date": "2026-04-07T16:31:21", "name": "azure: backport \"net: hv_netvsc: reject RSS hash key programming without RX indirection table\"", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499001/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220603/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220603/checks/", "tags": {}, "headers": { "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=f4YQdh0a;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "From: Aditya Garg <gargaditya@linux.microsoft.com>\n\nBugLink: https://bugs.launchpad.net/bugs/2142703\n\nRSS configuration requires a valid RX indirection table. When the device\nreports a single receive queue, rndis_filter_device_add() does not\nallocate an indirection table, accepting RSS hash key updates in this\nstate leads to a hang.\n\nFix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return\n-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device\ncapabilities and prevents incorrect behavior.\n\nFixes: 962f3fee83a4 (\"netvsc: add ethtool ops to get/set RSS key\")\nSigned-off-by: Aditya Garg <gargaditya@linux.microsoft.com>\nReviewed-by: Dipayaan Roy <dipayanroy@linux.microsoft.com>\nReviewed-by: Haiyang Zhang <haiyangz@microsoft.com>\nLink: https://patch.msgid.link/1768212093-1594-1-git-send-email-gargaditya@linux.microsoft.com\nSigned-off-by: Jakub Kicinski <kuba@kernel.org>\n(cherry picked from commit d23564955811da493f34412d7de60fa268c8cb50)\nSigned-off-by: Vinicius Peixoto <vinicius.peixoto@canonical.com>\n---\n drivers/net/hyperv/netvsc_drv.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c\nindex 39c892e46cb0..25a358524a09 100644\n--- a/drivers/net/hyperv/netvsc_drv.c\n+++ b/drivers/net/hyperv/netvsc_drv.c\n@@ -1757,6 +1757,9 @@ static int netvsc_set_rxfh(struct net_device *dev,\n \t rxfh->hfunc != ETH_RSS_HASH_TOP)\n \t\treturn -EOPNOTSUPP;\n \n+\tif (!ndc->rx_table_sz)\n+\t\treturn -EOPNOTSUPP;\n+\n \trndis_dev = ndev->extension;\n \tif (rxfh->indir) {\n \t\tfor (i = 0; i < ndc->rx_table_sz; i++)\n", "prefixes": [ "SRU", "Q:linux-azure", "v2", "1/1" ] }