diff --git a/gasket_sysfs.c b/gasket_sysfs.c
index dd4d3aa..1c5f750 100644
--- a/gasket_sysfs.c
+++ b/gasket_sysfs.c
@@ -225,6 +225,8 @@ int gasket_sysfs_create_mapping(
 	mapping->attribute_count = 0;
 	if (!mapping->attributes) {
 		gasket_nodev_error("Unable to allocate sysfs attribute array.");
+		mapping->device = NULL;
+		mapping->gasket_dev = NULL;
 		mutex_unlock(&mapping->mutex);
 		mutex_unlock(&function_mutex);
 		return -ENOMEM;