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Wysocki" , Len Brown Cc: Toshi Kani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Yuho Choi Subject: [PATCH v1] ACPI: sysfs: Fix hotplug kobject cleanup on failure Date: Thu, 2 Jul 2026 19:25:55 -0400 Message-ID: <20260702232555.96539-1-dbgh9129@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit acpi_sysfs_init() creates the ACPI hotplug kobject and the force_remove sysfs file before creating the pm_profile file. If force_remove creation fails, the hotplug kobject is left behind. If pm_profile creation fails, both force_remove and the hotplug kobject are left behind. Add the missing unwind paths so the partial hotplug sysfs state is removed before returning an error. Fixes: 683058e315f0 ("ACPI / hotplug: Use device offline/online for graceful hot-removal") Signed-off-by: Yuho Choi --- drivers/acpi/sysfs.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 908cc5c7e643..0b642ba1a526 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -1037,8 +1037,18 @@ int __init acpi_sysfs_init(void) result = sysfs_create_file(hotplug_kobj, &force_remove_attr.attr); if (result) - return result; + goto err_hotplug; result = sysfs_create_file(acpi_kobj, &pm_profile_attr.attr); + if (result) + goto err_force_remove; + + return 0; + +err_force_remove: + sysfs_remove_file(hotplug_kobj, &force_remove_attr.attr); +err_hotplug: + kobject_put(hotplug_kobj); + hotplug_kobj = NULL; return result; } -- 2.43.0