usb: typec: intel_pmc_mux: Don't leak the ACPI device reference count

[ Upstream commit c319494 ]

When acpi_dev_get_memory_resources() fails, the reference count is
left bumped. Drop it as it's done in the other error paths.

Fixes: 43d596e ("usb: typec: intel_pmc_mux: Check the port status before connect")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230102202933.15968-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/usb/typec/mux/intel_pmc_mux.c

@@ -614,8 +614,10 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc)
 
 	INIT_LIST_HEAD(&resource_list);
 	ret = acpi_dev_get_memory_resources(adev, &resource_list);
-	if (ret < 0)
+	if (ret < 0) {
+		acpi_dev_put(adev);
 		return ret;
+	}
 
 	rentry = list_first_entry_or_null(&resource_list, struct resource_entry, node);
 	if (rentry)