Index: sys/compat/linuxkpi/common/include/linux/kmod.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/kmod.h
+++ sys/compat/linuxkpi/common/include/linux/kmod.h
@@ -41,9 +41,11 @@
 #define	request_module(...) \
 ({\
 	char modname[128]; \
-	int fileid; \
+	int error, fileid;				 \
 	snprintf(modname, sizeof(modname), __VA_ARGS__); \
-	kern_kldload(curthread, modname, &fileid); \
+	error = curproc->p_fd->fd_rdir == NULL ? -EINVAL : \
+	    -kern_kldload(curthread, modname, &fileid); \
+	error; \
 })
 
 #define request_module_nowait request_module