diff options
| author | joerg <joerg@FreeBSD.org> | 2003-02-11 21:12:43 +0000 |
|---|---|---|
| committer | joerg <joerg@FreeBSD.org> | 2003-02-11 21:12:43 +0000 |
| commit | 4fe8424f92b3f5fcc76023408fdb0f5f07473550 (patch) | |
| tree | 0f365a3bdb69f4247d688d0cc12ce63b4bea9d0c /sys/dev/vinum | |
| parent | 804e8df48ccf9bd33fb01eb5df35620f06311be8 (diff) | |
| download | FreeBSD-src-4fe8424f92b3f5fcc76023408fdb0f5f07473550.zip FreeBSD-src-4fe8424f92b3f5fcc76023408fdb0f5f07473550.tar.gz | |
Deregister the dev_clone event handler when unloading the module. Bad
things might happen otherwise.
Noticed by: Michael Reifenberger <root@nihil.reifenberger.com>
Diffstat (limited to 'sys/dev/vinum')
| -rw-r--r-- | sys/dev/vinum/vinum.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/vinum/vinum.c b/sys/dev/vinum/vinum.c index 84056ff..d202442 100644 --- a/sys/dev/vinum/vinum.c +++ b/sys/dev/vinum/vinum.c @@ -73,6 +73,8 @@ struct _vinum_conf vinum_conf; /* configuration information */ dev_t vinum_daemon_dev; dev_t vinum_super_dev; +static eventhandler_tag dev_clone_tag; + /* * Called by main() during pseudo-device attachment. All we need * to do is allocate enough space for devices to be configured later, and @@ -142,7 +144,7 @@ vinumattach(void *dummy) vinum_conf.subdisks_allocated = INITIAL_SUBDISKS; /* number of sd slots allocated */ vinum_conf.subdisks_used = 0; /* and number in use */ - EVENTHANDLER_REGISTER(dev_clone, vinum_clone, 0, 1000); + dev_clone_tag = EVENTHANDLER_REGISTER(dev_clone, vinum_clone, 0, 1000); /* * See if the loader has passed us any of the @@ -240,6 +242,8 @@ free_vinum(int cleardrive) int i; int drives_allocated = vinum_conf.drives_allocated; + EVENTHANDLER_DEREGISTER(dev_clone, dev_clone_tag); + if (DRIVE != NULL) { if (cleardrive) { /* remove the vinum config */ for (i = 0; i < drives_allocated; i++) |
