generic_append_variable(): only try to create if errno was ENOENT

Signed-off-by: Peter Jones <pjones@redhat.com>

diff --git a/src/generics.h b/src/generics.h
index 10f242f..22ae266 100644 (file)
--- a/src/generics.h
+++ b/src/generics.h
@@ -174,7 +174,7 @@ generic_append_variable(efi_guid_t guid, const char *name,
                        efi_error("efi_set_variable failed");
                free(d);
                free(data);
-       } else if (errno == ENOENT) {
+       } else if (rc < 0 && errno == ENOENT) {
                data = new_data;
                data_size = new_data_size;
                attributes = new_attributes & ~EFI_VARIABLE_APPEND_WRITE;