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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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: AEF7A20002 X-Rspam-User: X-Stat-Signature: 7q5beqirkbtkfba499w8i3rwwr7k999p X-HE-Tag: 1782684090-591377 X-HE-Meta: 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 ZjSCF0D2 GvCrtSQLdytJhQF8IZFAQwlAlQNWn9vOptvZngGOhLMHhM+f/kNba1PBNJK6lY0YyVeMSsO9UM73veoEIYZdwJC92f0jBcSoatCGQmla1tBxDeD44wpEP7LN2HZcsbxpbD83UVaqbc+xZnMAsUvSfh/Ype6AvxRYXqT5/rTmLmblTqiSF6kF7lAbVw3gsRJ3NMcVbOdOqeBHbbeJCQB1MWoAJrlNju5cKxR7SkYPb3RisKQO9zYPjjZhcq6DktS90LVZG8dmr09KkhCZ+3+WVZsvb+Q== 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: 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