diff options
| author | riastradh <riastradh@NetBSD.org> | 2023-05-13 10:11:36 +0000 |
|---|---|---|
| committer | riastradh <riastradh@NetBSD.org> | 2023-05-13 10:11:36 +0000 |
| commit | 6b91a4e1d350a8a24ea9d0327286164e3e18c5f2 (patch) | |
| tree | d5039d1a21e84616d827aca36a1ed64fae83910b /sys/dev | |
| parent | 5d196dd2c1dccc7e96cbc8a8cf5bcb8ddef0d687 (diff) | |
dk(4): Need pdk->dk_openlock to read pdk->dk_wedges.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/dkwedge/dk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/dkwedge/dk.c b/sys/dev/dkwedge/dk.c index 834728a0ee2..f5a5f75d882 100644 --- a/sys/dev/dkwedge/dk.c +++ b/sys/dev/dkwedge/dk.c @@ -1,4 +1,4 @@ -/* $NetBSD: dk.c,v 1.157 2023/05/10 23:08:24 riastradh Exp $ */ +/* $NetBSD: dk.c,v 1.158 2023/05/13 10:11:36 riastradh Exp $ */ /*- * Copyright (c) 2004, 2005, 2006, 2007 The NetBSD Foundation, Inc. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.157 2023/05/10 23:08:24 riastradh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: dk.c,v 1.158 2023/05/13 10:11:36 riastradh Exp $"); #ifdef _KERNEL_OPT #include "opt_dkwedge.h" @@ -1333,12 +1333,14 @@ dkfirstopen(struct dkwedge_softc *sc, int flags) KASSERT(sc->sc_parent->dk_rawopens < UINT_MAX); KASSERT(sc->sc_parent->dk_rawvp != NULL); mode = 0; + mutex_enter(&sc->sc_parent->dk_openlock); LIST_FOREACH(nsc, &sc->sc_parent->dk_wedges, sc_plink) { if (nsc == sc || nsc->sc_dk.dk_openmask == 0) continue; mode = nsc->sc_mode; break; } + mutex_exit(&sc->sc_parent->dk_openlock); } sc->sc_mode = mode; sc->sc_parent->dk_rawopens++; |
