From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 18ECD3BD642; Sun, 28 Jun 2026 22:01:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782684091; cv=none; b=XMAjllOdeb42U5YtlRqw7LU+gtP5z7kPlcDN4PG5SGnhHqdgiKF9du+qtYBybfgMw8bNv9gg1cBjkO9T9LVNYgF6LCNQkFFnxWcnMXOu38hrqL4dwV6xgvl92p+iLRRgaIF0PPJU/euXQlPm4mJlfEnIaPWM8K0BESHfIyNdXI8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782684091; c=relaxed/simple; bh=DCBGJHHVBStVM3CXFaty4twV37tUzCqqJa+5vDC8Qvk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XaxjOaHvREUVl79RmJFut162KQn1yNbdt2t3UUVImu3Ij7PkPXfrtoYJsbduAAlq5InMNgEss5GA5F1W/5+WWCAUOPrqB+rjxzq3es9ySfTIdz6XaqcjAzgQXKNb8dRXARcOBZ3wthGruSnRuGN1pKYgFKAGGa9ogWzlwYsCYFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gbVX7xpr; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gbVX7xpr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD52E1F00AC4; Sun, 28 Jun 2026 22:01:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782684090; bh=fmB3b/npGhBxKB1bt9s9o0NNa/GR5StMFfZ94pT6qAc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gbVX7xpreBe4ktCRslGI5Q7jXTCI6P5LRMQMd9ZH4UwEOT/xc3BiULbsxpSOd9r0p L1454zI16P8NGzMpQffPRBmDzPHOUOsD3yMMXv/Axmy9b9cMwnBdH+ZeL1YJNQTp4r HVK02QQzYuqE6uwnp1lhuME215o0xjAw7QIzPXCDqzqTQv4WBV/j4C88JnmsMnoLWk zPw9YFzPHs6r5ioRRCt2E4ltdZAAkb4uUlXF4oY0C4eEzvlCMRpiolECOtskyKJOcP yqciI8+R9JDzogO9xlxPm+/HN9MRto91y7ns2F668SrfcCPzVOqlDGEScoruIDh7ft oRSiKlbyaXPaw== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 10/11] mm/damon/sysfs: kobject_del() probe dirs in probes_addd_dir error path Date: Sun, 28 Jun 2026 15:01:19 -0700 Message-ID: <20260628220121.97360-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260628220121.97360-1-sj@kernel.org> References: <20260628220121.97360-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On CONFIG_DEBUG_KOBJECT_RELEASE enabled kernel, lack of kobject_del() could cause directories creation failures due to the name conflicts. Fix the issue for data attribute probe filter directories in the error handling path of damon_sysfs_probes_add_dirs() by adding a kobject_del() call. Fixes: af7cb41af9a9 ("mm/damon/sysfs: implement filters directory") Signed-off-by: SJ Park --- mm/damon/sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 0ccdc71275d52..e3526a263e205 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1181,6 +1181,7 @@ static int damon_sysfs_probes_add_dirs( err = damon_sysfs_probe_add_dirs(probe); if (err) { + kobject_del(&probe->kobj); kobject_put(&probe->kobj); damon_sysfs_probes_rm_dirs(probes); return err; -- 2.47.3