From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit 0c8bd174f0fc131bc9dfab35cd8784f59045da87 ]
If 'acpi_device_set_name()' fails, we must free 'acpi_device_bus_id->bus_id' or there is a (potential) memory leak.
Fixes: eb50aaf960e3 ("ACPI: scan: Use unique number for instance_no") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/acpi/scan.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 6efe7edd7b1e..345777bf7af9 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -701,6 +701,7 @@ int acpi_device_add(struct acpi_device *device,
result = acpi_device_set_name(device, acpi_device_bus_id); if (result) { + kfree_const(acpi_device_bus_id->bus_id); kfree(acpi_device_bus_id); goto err_unlock; }