From cd6d3a03c838dccd07beefd2e435daa5bc36a1b3 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Thu, 27 Mar 2003 12:47:53 +0000
Subject: [PATCH] Deregister the dev_clone event handler we registered - don't
 touch the handlers installed by other devices.

---
 sys/coda/coda_fbsd.c    | 6 ++++--
 sys/fs/coda/coda_fbsd.c | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/sys/coda/coda_fbsd.c b/sys/coda/coda_fbsd.c
index 23ce5e4f8a1..9d2bf6e86fe 100644
--- a/sys/coda/coda_fbsd.c
+++ b/sys/coda/coda_fbsd.c
@@ -173,6 +173,8 @@ static void coda_fbsd_drvinit(void *unused);
 static void coda_fbsd_drvuninit(void *unused);
 static void coda_fbsd_clone(void *arg, char *name, int namelen, dev_t *dev);
 
+static eventhandler_tag clonetag;
+
 static void coda_fbsd_clone(arg, name, namelen, dev)
     void *arg;
     char *name;
@@ -196,7 +198,7 @@ static void coda_fbsd_drvinit(unused)
 {
     int i;
 
-    EVENTHANDLER_REGISTER(dev_clone,coda_fbsd_clone,0,1000);
+    clonetag = EVENTHANDLER_REGISTER(dev_clone,coda_fbsd_clone,0,1000);
     for(i=0;i<NVCODA;i++)
 	coda_mnttbl[i].dev = NULL; 
 }
@@ -206,7 +208,7 @@ static void coda_fbsd_drvuninit(unused)
 {
     int i;
 
-    EVENTHANDLER_DEREGISTER(dev_clone,NULL);
+    EVENTHANDLER_DEREGISTER(dev_clone,clonetag);
     for(i=0;i<NVCODA;i++)
 	if(coda_mnttbl[i].dev)
 	    destroy_dev(coda_mnttbl[i].dev);
diff --git a/sys/fs/coda/coda_fbsd.c b/sys/fs/coda/coda_fbsd.c
index 23ce5e4f8a1..9d2bf6e86fe 100644
--- a/sys/fs/coda/coda_fbsd.c
+++ b/sys/fs/coda/coda_fbsd.c
@@ -173,6 +173,8 @@ static void coda_fbsd_drvinit(void *unused);
 static void coda_fbsd_drvuninit(void *unused);
 static void coda_fbsd_clone(void *arg, char *name, int namelen, dev_t *dev);
 
+static eventhandler_tag clonetag;
+
 static void coda_fbsd_clone(arg, name, namelen, dev)
     void *arg;
     char *name;
@@ -196,7 +198,7 @@ static void coda_fbsd_drvinit(unused)
 {
     int i;
 
-    EVENTHANDLER_REGISTER(dev_clone,coda_fbsd_clone,0,1000);
+    clonetag = EVENTHANDLER_REGISTER(dev_clone,coda_fbsd_clone,0,1000);
     for(i=0;i<NVCODA;i++)
 	coda_mnttbl[i].dev = NULL; 
 }
@@ -206,7 +208,7 @@ static void coda_fbsd_drvuninit(unused)
 {
     int i;
 
-    EVENTHANDLER_DEREGISTER(dev_clone,NULL);
+    EVENTHANDLER_DEREGISTER(dev_clone,clonetag);
     for(i=0;i<NVCODA;i++)
 	if(coda_mnttbl[i].dev)
 	    destroy_dev(coda_mnttbl[i].dev);