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bh=V69jCi4XbNmje4yP60Dxbb/L0C+xnieK6ht4H1cDOOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BtBlK5UlYM+SlpNN867/Monyhyen594lyXZabNRLbD4qIcEjkrmiDY9mj3P6IR8mi Merybil4YFBr0m5oyTSItZ+DvBQj+nT5zlmbh+UdQd4o524niI44FZNG4gpfGV2m0u zi4Lu8ScLC1Um1ir/ntVYPNcINLUNx9Z0lSQXLrWCvyCQxRwYNXKJahTvIG5YOU46z tZm11K7AIxfWIqY2hWxHFsra/7aLoqWW9VYY7j5FA42Vys1vEZPtu8jWlveDC1+jNE 9SUPtPWpNuebO4M18SUcuBoXT2XTt8a3LQxu4LptORW4s6qNsAi30WdW9LMZXjWiio w1MmmArWERyfA== 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 v1.2 10/11] mm/damon/sysfs: kobject_del() probe dirs in probes_addd_dir error path Date: Thu, 18 Jun 2026 08:15:14 -0700 Message-ID: <20260618151517.5366-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260618151517.5366-1-sj@kernel.org> References: <20260618151517.5366-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 15B8014001A X-Stat-Signature: uokociy5pahayq467a48j9z134h66fa8 X-HE-Tag: 1781795740-322519 X-HE-Meta: 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 NYgEKd6K /X88PJV668oAjX0KzE0emLDPd+6YSOZedqddtYqGzJ+f2IoH+ZOBcguZUU8Hz908Hv9UV9BZJZDZu17/q5ggNToKKeP82emQme24KGw6+lPpshqwml+XsFBIGnHEcHQ9D11sqzro9CNGm/sNkQ065IWLb0E3P3RaBZ9nhQmrodEmhnQQLerl9FSzqira+Xmbv+/xHOvn7SMfa+qN+Qvms2ojX52uPOzTh9ka5pGb8+iZjNcavuxbSvAS5k7KvwnHOpN4P6/0KBXPVCKv8WlbAJ9yu2Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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