Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dk(4): Need pdk->dk_openlock to read pdk->dk_wedges.

This commit is contained in:
riastradh 2023-05-13 10:11:36 +00:00
parent 842f73039b
commit 10af6ae44b
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/dev/dkwedge/dk.c
View File

@ -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++;