diff options
| author |   krw <krw@openbsd.org> | 2006-05-22 20:35:12 +0000 |
|---|---|---|
| committer | krw <krw@openbsd.org> | 2006-05-22 20:35:12 +0000 |
| commit | d8ed46e47baf955136da5c04fb1401169e5ff07e (patch) | |
| tree | f730da70eb7a085fac3d484c7fee375a0eb6b2ac /sys/dev/ic/aic79xx_openbsd.c | |
| parent | Add support for raid 50 and 10 in bio. (diff) | |
| download | wireguard-openbsd-d8ed46e47baf955136da5c04fb1401169e5ff07e.tar.xz wireguard-openbsd-d8ed46e47baf955136da5c04fb1401169e5ff07e.zip | |
Attach routines can fail before calling *hook_establish(), and they
often rely on the detach routine for cleanup. So be consistant and
careful by checking for a NULL hook before calling *hook_disestablish
in detach routines.
ok mickey@ brad@ dlg@
Diffstat (limited to 'sys/dev/ic/aic79xx_openbsd.c')
| -rw-r--r-- | sys/dev/ic/aic79xx_openbsd.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/dev/ic/aic79xx_openbsd.c b/sys/dev/ic/aic79xx_openbsd.c index c32948cd517..dae58bc9e3c 100644 --- a/sys/dev/ic/aic79xx_openbsd.c +++ b/sys/dev/ic/aic79xx_openbsd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: aic79xx_openbsd.c,v 1.24 2006/03/04 14:20:37 krw Exp $ */ +/* $OpenBSD: aic79xx_openbsd.c,v 1.25 2006/05/22 20:35:12 krw Exp $ */ /* * Copyright (c) 2004 Milos Urbanek, Kenneth R. Westerback & Marco Peereboom @@ -639,7 +639,8 @@ ahd_detach(struct device *self, int flags) if (ahd->sc_child != NULL) rv = config_detach((void *)ahd->sc_child, flags); - shutdownhook_disestablish(ahd->shutdown_hook); + if (ahd->shutdown_hook != NULL) + shutdownhook_disestablish(ahd->shutdown_hook); ahd_free(ahd); |