diff --git a/drivers/md/dm-android-verity.c b/drivers/md/dm-android-verity.c
index bb6c1285e499..ec0a4d19ca3e 100644
--- a/drivers/md/dm-android-verity.c
+++ b/drivers/md/dm-android-verity.c
@@ -585,6 +585,8 @@ static int verify_verity_signature(char *key_id,
 
 	if (IS_ERR(pks)) {
 		DMERR("hashing failed");
+		retval = PTR_ERR(pks);
+		pks = NULL;
 		goto error;
 	}