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nfsd: fix bug on nfs4 stateid deallocation
NFS4_OO_PURGE_CLOSE is not handled properly. To avoid memory leak, nfs4 stateid which is pointed by oo_last_closed_stid is freed in nfsd4_close(), but NFS4_OO_PURGE_CLOSE isn't cleared meanwhile. So the stateid released in THIS close procedure may be freed immediately in the coming encoding function. Sorry that Signed-off-by was forgotten in last version. Signed-off-by: Yanchuan Nian <ycnian@gmail.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -3823,6 +3823,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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nfsd4_close_open_stateid(stp);
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release_last_closed_stateid(oo);
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oo->oo_flags &= ~NFS4_OO_PURGE_CLOSE;
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oo->oo_last_closed_stid = stp;
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if (list_empty(&oo->oo_owner.so_stateids)) {
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