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Fix null_lock() not unlocking vp->v_interlock if LK_THISLAYER.

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Reviewed by:	bp@FreeBSD.org
MFC after:	1 week
This commit is contained in:
Semen Ustimenko 2002-05-21 18:07:33 +00:00
parent 69cc776cd6
commit 96b825e7ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97072
1 changed files with 6 additions and 2 deletions
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8
sys/fs/nullfs/null_vnops.c
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@ -591,8 +591,12 @@ null_lock(ap)
int error;
if (flags & LK_THISLAYER) {
if (vp->v_vnlock != NULL)
return 0; /* lock is shared across layers */
if (vp->v_vnlock != NULL) {
/* lock is shared across layers */
if (flags & LK_INTERLOCK)
mtx_unlock(&vp->v_interlock);
return 0;
}
error = lockmgr(&vp->v_lock, flags & ~LK_THISLAYER,
&vp->v_interlock, td);
return (error);