nfsd4: nfsd4_destroy_session must set callback client under the state lock

[safe/jmp/linux-2.6] / fs / nfsd / nfs4state.c

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index cc0e911..ede9dde 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1427,8 +1427,10 @@ nfsd4_destroy_session(struct svc_rqst *r,
        unhash_session(ses);
        spin_unlock(&client_lock);
 
+       nfs4_lock_state();
        /* wait for callbacks */
        nfsd4_set_callback_client(ses->se_client, NULL);
+       nfs4_unlock_state();
        nfsd4_put_session(ses);
        status = nfs_ok;
 out: