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Fix a bug in r214049. The nvp == vp case shall be handled specially

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only for !usevget case. If VFS_VGET is working, the vnode shared lock
is obtained recursively and vput() shall be done, not vunref().

Submitted by:	rmacklem
Tested by:	Josh Carroll <josh.carroll gmail com>
MFC after:	3 days
This commit is contained in:
Konstantin Belousov 2010-11-05 21:13:16 +00:00
parent e7bb9ab605
commit fc79a404dd
1 changed files with 1 additions and 1 deletions
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2
sys/nfsserver/nfs_serv.c
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@ -3252,7 +3252,7 @@ again:
nfhp->fh_fsid = nvp->v_mount->mnt_stat.f_fsid; nfhp->fh_fsid = nvp->v_mount->mnt_stat.f_fsid;
if ((error1 = VOP_VPTOFH(nvp, &nfhp->fh_fid)) == 0) if ((error1 = VOP_VPTOFH(nvp, &nfhp->fh_fid)) == 0)
error1 = VOP_GETATTR(nvp, vap, cred); error1 = VOP_GETATTR(nvp, vap, cred);
if (vp == nvp) if (!usevget && vp == nvp)
vunref(nvp); vunref(nvp);
else else
vput(nvp); vput(nvp);