From 5c4cca9948b4ee8a71b2c783d234fc2597562bf1 Mon Sep 17 00:00:00 2001
From: trasz <trasz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Wed, 31 Jul 2013 10:54:24 +0000
Subject: [PATCH] MFC r249328:

Make ctladm(8) try to load ctl.ko kernel module if needed.

Approved by:	re (delphij)


git-svn-id: svn://svn.freebsd.org/base/stable/9@253835 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 usr.sbin/ctladm/ctladm.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/usr.sbin/ctladm/ctladm.c b/usr.sbin/ctladm/ctladm.c
index 214bdb54f..10631bd94 100644
--- a/usr.sbin/ctladm/ctladm.c
+++ b/usr.sbin/ctladm/ctladm.c
@@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/param.h>
+#include <sys/linker.h>
 #include <sys/queue.h>
 #include <sys/callout.h>
 #include <sys/sbuf.h>
@@ -3816,6 +3817,7 @@ main(int argc, char **argv)
 	int retval, fd;
 	int retries;
 	int initid;
+	int saved_errno;
 
 	retval = 0;
 	cmdargs = CTLADM_ARG_NONE;
@@ -3965,6 +3967,14 @@ main(int argc, char **argv)
 	if ((cmdargs & CTLADM_ARG_DEVICE)
 	 && (command != CTLADM_CMD_HELP)) {
 		fd = open(device, O_RDWR);
+		if (fd == -1 && errno == ENOENT) {
+			saved_errno = errno;
+			retval = kldload("ctl");
+			if (retval != -1)
+				fd = open(device, O_RDWR);
+			else
+				errno = saved_errno;
+		}
 		if (fd == -1) {
 			fprintf(stderr, "%s: error opening %s: %s\n",
 				argv[0], device, strerror(errno));
-- 
2.45.0