nfsd4: make fh_verify responsibility of nfsd_lookup_dentry caller

The secinfo caller actually won't want this.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 126b8f7..8059ada 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -762,6 +762,9 @@
 	__be32 err;
 
 	fh_init(&resfh, NFS4_FHSIZE);
+	err = fh_verify(rqstp, &cstate->current_fh, S_IFDIR, NFSD_MAY_EXEC);
+	if (err)
+		return err;
 	err = nfsd_lookup_dentry(rqstp, &cstate->current_fh,
 				    secinfo->si_name, secinfo->si_namelen,
 				    &exp, &dentry);