Bluetooth: hci_bcm: Handle possible error from acpi_dev_get_resources()

Driver doesn't handle possible error from acpi_dev_get_resources(). Test it
and return the error code in case of error.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 1a538ad..5375c9c 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -705,7 +705,9 @@
 	if (!adev)
 		return 0;
 
-	acpi_dev_get_resources(adev, &resources, bcm_resource, dev);
+	ret = acpi_dev_get_resources(adev, &resources, bcm_resource, dev);
+	if (ret < 0)
+		return ret;
 	acpi_dev_free_resource_list(&resources);
 
 	dmi_id = dmi_first_match(bcm_wrong_irq_dmi_table);