diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2015-01-02 10:38:23 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2015-01-02 10:38:23 +0000 |
| commit | c160d673786593d3d0c0b4c8ec660c5313f9b4dd (patch) | |
| tree | f62c89ae8fde073482b7b0d6b1453685a20ef16c /sys/dev/vscsi.c | |
| parent | 8f0bc7da5b54937984cfde5d1ca10a8f27041c00 (diff) | |
give the device ref taken in vscsikqfilter to the knote, and unref
it in filt_vscsidetach.
Diffstat (limited to 'sys/dev/vscsi.c')
| -rw-r--r-- | sys/dev/vscsi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/vscsi.c b/sys/dev/vscsi.c index c9938dea03c..64c8fc05a32 100644 --- a/sys/dev/vscsi.c +++ b/sys/dev/vscsi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vscsi.c,v 1.35 2015/01/02 10:32:21 dlg Exp $ */ +/* $OpenBSD: vscsi.c,v 1.36 2015/01/02 10:38:22 dlg Exp $ */ /* * Copyright (c) 2008 David Gwynne <dlg@openbsd.org> @@ -585,7 +585,8 @@ vscsikqfilter(dev_t dev, struct knote *kn) SLIST_INSERT_HEAD(klist, kn, kn_selnext); mtx_leave(&sc->sc_sel_mtx); - device_unref(&sc->sc_dev); + /* device ref is given to the knote in the klist */ + return (0); } @@ -598,6 +599,8 @@ filt_vscsidetach(struct knote *kn) mtx_enter(&sc->sc_sel_mtx); SLIST_REMOVE(klist, kn, knote, kn_selnext); mtx_leave(&sc->sc_sel_mtx); + + device_unref(&sc->sc_dev); } int |