diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 2b22932b140d..a5a2ae36a36d 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -536,6 +536,16 @@ int ima_file_hash(struct file *file, char *buf, size_t buf_size)
 		return -EOPNOTSUPP;
 
 	mutex_lock(&iint->mutex);
+
+	/*
+	 * ima_file_hash can be called when ima_collect_measurement has still
+	 * not been called, we might not always have a hash.
+	 */
+	if (!iint->ima_hash) {
+		mutex_unlock(&iint->mutex);
+		return -EOPNOTSUPP;
+	}
+
 	if (buf) {
 		size_t copied_size;