From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A089EC4 for ; Sun, 10 Aug 2025 00:42:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754786534; cv=none; b=JepKQnNtJNyjFAmx4f1WLSh4w1TPdM5U+q6iagOZ7dMV0w11g2r87rWDVupNqzrSqxQyxnsmwCBVwNoyCXxDlA69kk6bPxeJXEXG7/OuswDfaaWeY25zieGG2xfNG4m+IJ9nkR3hrMF25f+Kwr3nDdqimzoOsZcNbGthb/47qWI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754786534; c=relaxed/simple; bh=1yARjQg8vD8DL3MLG+2CfTvFSB1kDBi/j2HOS0XoPjk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=L7l0NJpRYlc+PtBQpjWRLPLYPt2E2cC8AmqM5jCaKglYqLUV6LmPo1oS6qjybu1XQyKa3Sr4nU0rpfX2iYwLYYVoWpwDG1xjcLuULTxd6ITiFoqIoA5ijzzQZDy6S2pPwScpd8tbBT3ZleRbTm+caQ4M8tq3iIu4LIIvQi6mok8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PSzlO6RX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PSzlO6RX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6FCC1C4CEE7; Sun, 10 Aug 2025 00:42:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754786534; bh=1yARjQg8vD8DL3MLG+2CfTvFSB1kDBi/j2HOS0XoPjk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PSzlO6RXt2omwGAWdpl7dtcZjH00InrdrVyPlT59PZnAH3TLzFjN/OyOj2xl+frtS dtppaa06Zr8hEZy6G0puPuzypDjw5/qQhJN+NERGBVUoijR5VoX8PuMSVHm4WOOgQS biIGX4ahLYcC6cItnaeG0tbcpkuro0l1Brw6OpTmKualXLGjGbg0eYulvh5X+WKdT3 tUaMZKHtqXZkR7OunrJTpXJdholVk7+ikoHGG/Adulo2sBLPB56zjSTseo2KwY1rUJ 8oJnI/km8eSlVtqYGDmnEGtzwdapfPYFHi7yjPiX3K4mNw6r4Wdh8NgofqX2WZSKhh BDEbhifyxvVug== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin Subject: Re: [PATCH 5.15, 5.10 2/6] sch_drr: make drr_qlen_notify() idempotent Date: Sat, 9 Aug 2025 20:42:11 -0400 Message-Id: <1754784993-86b36c1f@stable.kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Sasha's backport helper bot ] Hi, ✅ All tests passed successfully. No issues detected. No action required from the submitter. The upstream commit SHA1 provided is correct: df008598b3a00be02a8051fde89ca0fbc416bd55 WARNING: Author mismatch between patch and upstream commit: Backport author: Siddh Raman Pant Commit author: Cong Wang Status in newer kernel trees: 6.15.y | Present (exact SHA1) 6.12.y | Not found 6.6.y | Not found 6.1.y | Not found Note: The patch differs from the upstream commit: --- 1: df008598b3a0 ! 1: b15952e73fd2 sch_drr: make drr_qlen_notify() idempotent @@ Commit message Link: https://patch.msgid.link/20250403211033.166059-3-xiyou.wangcong@gmail.com Acked-by: Jamal Hadi Salim Signed-off-by: Paolo Abeni + (cherry picked from commit df008598b3a00be02a8051fde89ca0fbc416bd55) + Signed-off-by: Siddh Raman Pant ## net/sched/sch_drr.c ## @@ net/sched/sch_drr.c: static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid, + if (cl == NULL) return -ENOBUFS; - gnet_stats_basic_sync_init(&cl->bstats); + INIT_LIST_HEAD(&cl->alist); cl->common.classid = classid; cl->quantum = quantum; --- Results of testing on various branches: | Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | 5.15 | Success | Success | | 5.10 | Success | Success |