Fix the cdev kld example.

PR:		52954
Submitted by:	Priit Piipuu <priit.piipuu@mail.ee>
Reviewed by:	phk

share/examples/kld/cdev/module/Makefile

@@ -4,13 +4,4 @@
 KMOD=	cdev
 SRCS=	cdev.c cdevmod.c
 
-/dev/cdev:
-	mknod ${.TARGET} c 32 0
-
-un/dev/cdev: .PHONY
-	rm -f /dev/cdev
-
 .include <bsd.kmod.mk>
-
-load: /dev/cdev
-unload: un/dev/cdev

share/examples/kld/cdev/module/cdevmod.c

@@ -75,23 +75,20 @@
 
 #include "cdev.h"
 
+#if __FreeBSD_version < 500000
 #define CDEV_MAJOR 32
+#else
+#define CDEV_MAJOR MAJOR_AUTO
+#endif
 
 static struct cdevsw my_devsw = {
-	/* open */	mydev_open,
-	/* close */	mydev_close,
-	/* read */	mydev_read,
-	/* write */	mydev_write,
-	/* ioctl */	mydev_ioctl,
-	/* poll */	nopoll,
-	/* mmap */	nommap,
-	/* strategy */	nostrategy,
-	/* name */	"cdev",
-	/* maj */	CDEV_MAJOR,
-	/* dump */	nodump,
-	/* psize */	nopsize,
-	/* flags */	D_TTY,
-	/* bmaj */	-1
+	/* open */	.d_open = mydev_open,
+	/* close */	.d_close = mydev_close,
+	/* read */	.d_read = mydev_read,
+	/* write */	.d_write = mydev_write,
+	/* ioctl */	.d_ioctl = mydev_ioctl,
+	/* name */	.d_name = "cdev",
+	/* maj */	.d_maj = CDEV_MAJOR
 };
 
 /* 

share/examples/kld/cdev/test/Makefile

@@ -89,4 +89,6 @@ unload:
 	@echo
 	${MODSTAT} -n cdev
 
+install:
+
 .include <bsd.prog.mk>

share/examples/kld/cdev/test/testcdev.c

@@ -75,6 +75,7 @@
 #include <fcntl.h>
 #include <paths.h>
 #include <string.h>
+#include <sys/types.h>
 #include <sys/ioccom.h>
 
 #define CDEV_IOCTL1     _IOR('C', 1, u_int)