diff --git a/sound/soc/codecs/cs-amp-lib.c b/sound/soc/codecs/cs-amp-lib.c
index 41a9a5b005c6..9bc19d2e1639 100644
--- a/sound/soc/codecs/cs-amp-lib.c
+++ b/sound/soc/codecs/cs-amp-lib.c
@@ -317,6 +317,8 @@ static void *cs_amp_alloc_get_efi_variable(efi_char16_t *name,
 	unsigned long size = 0;
 
 	status = cs_amp_get_efi_variable(name, guid, NULL, &size, NULL);
+	if (status == EFI_SUCCESS)
+		return ERR_PTR(-ENOENT);
 	if (status != EFI_BUFFER_TOO_SMALL)
 		return ERR_PTR(cs_amp_convert_efi_status(status));