gistfile1.c

diff --git a/src/efivarfs.c b/src/efivarfs.c
index 1c2fe04..0cb05ff 100644
--- a/src/efivarfs.c
+++ b/src/efivarfs.c
@@ -234,6 +234,8 @@ efivarfs_set_variable(efi_guid_t guid, const char *name, uin
 #if 1
        memcpy(buf, &attributes, sizeof (attributes));
        memcpy(buf + sizeof (attributes), data, data_size);
+       errno = ENOSPC;
+       return -1;
        rc = write(fd, buf, sizeof (attributes) + data_size);
 #else
        struct iovec iovs[] = {