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Fix a leak of namei lookup path buffers that occurs when a

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ZFS volume is exported via the new NFS server. The leak occurred
because the new NFS server code didn't handle the case where
a file system sets the SAVENAME flag in its VOP_LOOKUP() and
ZFS does this for the DELETE case.

Tested by:	Oliver Brandmueller (ob at gruft.de), hrs
PR:		kern/167266
MFC after:	1 month
This commit is contained in:
Rick Macklem 2012-04-27 20:23:24 +00:00
parent f502124c06
commit a607cc6d8e
1 changed files with 4 additions and 0 deletions
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4
sys/fs/nfsserver/nfs_nfsdport.c
View file

@ -1047,6 +1047,8 @@ nfsvno_removesub(struct nameidata *ndp, int is_v4, struct ucred *cred,
else
vput(ndp->ni_dvp);
vput(vp);
if ((ndp->ni_cnd.cn_flags & SAVENAME) != 0)
nfsvno_relpathbuf(ndp);
NFSEXITCODE(error);
return (error);
}
@ -1086,6 +1088,8 @@ out:
else
vput(ndp->ni_dvp);
vput(vp);
if ((ndp->ni_cnd.cn_flags & SAVENAME) != 0)
nfsvno_relpathbuf(ndp);
NFSEXITCODE(error);
return (error);
}