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 D6A2B44E053; Wed, 17 Jun 2026 14:48:47 +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=1781707728; cv=none; b=N0v1ROzmZWDd3LnTnH2uoYbX+q6174eNd0aH3BClEbrzX9DDhwX474v4nwWbOI5s9cnzt9iOmDGgoAGkLEioFyk3be+nfe4V8jHUa0ONQxY6w/qvMA5OZ9X0pq9mxuazc+wUedYkf5bPT+gKcsKg+CGd+DKFMnaZ4vu3PgsMm1o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781707728; c=relaxed/simple; bh=fi6lX815EX7DIpgNSFa0vkD5QF5JHxdgwNGUAa+4bIY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BeLFaYAo45CE2FgJfGmw1Qsy0q1LILpTLr9iT4fvIc6i7OGyvbF45Lcz9t/xGhPP9lmqAS8rAFg/6P3Bo8OMdDuTHUrn0RXYS7ZSN84kghuS9LHZePMjUdat64n/BArG72QuJ1i7FLR2iErh+X+C4qqHfnTW/gmtQkRPJsqhfxU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XB0KHA/K; 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="XB0KHA/K" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12BCF1F000E9; Wed, 17 Jun 2026 14:48:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781707727; bh=V69jCi4XbNmje4yP60Dxbb/L0C+xnieK6ht4H1cDOOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=XB0KHA/K4VGjiEZRfZhsO6l5y4g+SMA4WmsJGyTLBkn1cfoI6eivorjwI/m8zHus6 cGsef1nja3A4l6IJA3J6q9AObiSQoCuOrBuU0JnllOCJG/aKfeRS6cuNCr/kBUWdPV bqGkcr68AVdG3Dk3IPwnbVSb+1TxZ4tjishaXAraerjIvfDkDRvnPnyvOumUegH/yQ 8SR0b2Zjjeobv7PIY4qBGtHpai5uBUSLQwszxEJLBNVLK579LkN8ApIcYrJ4djeSRR qHbbtE3nY83GIsgPA2sRwO8ILUNu4GtoISOkmDVwMbY4hvbtpUGK/j14r+/rrhu80H dJkYheE+M/VVg== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 10/11] mm/damon/sysfs: kobject_del() probe dirs in probes_addd_dir error path Date: Wed, 17 Jun 2026 07:48:04 -0700 Message-ID: <20260617144807.91441-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260617144807.91441-1-sj@kernel.org> References: <20260617144807.91441-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev 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: SeongJae Park --- mm/damon/sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 36a0e82601697..ffbc99411f53b 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1183,6 +1183,7 @@ 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