File guard-module-import-ns.patch of Package failed_gasket-driver

*** Begin Patch
*** Update File: src/gasket_page_table.c
@@
-MODULE_IMPORT_NS(DMA_BUF);
+/* Some kernel headers (backports or older trees) do not provide
+ * MODULE_IMPORT_NS. Guard its usage to remain compatible across
+ * different kernel versions. */
+#ifdef MODULE_IMPORT_NS
+MODULE_IMPORT_NS(DMA_BUF);
+#endif
*** End Patch