NFSd: set nfsd_serv to NULL after service destruction

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / nfsd / nfssvc.c

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 8621e36..240473c 100644 (file)
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -254,8 +254,6 @@ static void nfsd_shutdown(void)
 
 static void nfsd_last_thread(struct svc_serv *serv, struct net *net)
 {
-       /* When last nfsd thread exits we need to do some clean-up */
-       nfsd_serv = NULL;
        nfsd_shutdown();
 
        svc_rpcb_cleanup(serv, net);
@@ -332,6 +330,7 @@ static int nfsd_get_default_max_blksize(void)
 int nfsd_create_serv(void)
 {
        int error;
+       struct net *net = current->nsproxy->net_ns;
 
        WARN_ON(!mutex_is_locked(&nfsd_mutex));
        if (nfsd_serv) {
@@ -346,7 +345,7 @@ int nfsd_create_serv(void)
        if (nfsd_serv == NULL)
                return -ENOMEM;
 
-       error = svc_bind(nfsd_serv, current->nsproxy->net_ns);
+       error = svc_bind(nfsd_serv, net);
        if (error < 0) {
                svc_destroy(nfsd_serv);
                return error;
@@ -557,12 +556,13 @@ nfsd(void *vrqstp)
        nfsdstats.th_cnt --;
 
 out:
-       if (rqstp->rq_server->sv_nrthreads == 1)
-               svc_shutdown_net(rqstp->rq_server, &init_net);
+       rqstp->rq_server = NULL;
 
        /* Release the thread */
        svc_exit_thread(rqstp);
 
+       nfsd_destroy(&init_net);
+
        /* Release module */
        mutex_unlock(&nfsd_mutex);
        module_put_and_exit(0);