[PATCH] nfsd: check client tracker initialization result

[Stanislav Kinsbursky]

Function nfsd4_client_tracking_init() can return error.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
---
 fs/nfsd/nfs4state.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f194f86..fc4b81b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -69,6 +69,7 @@ static u64 current_sessionid = 1;
 
 /* forward declarations */
 static int check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner);
+void nfs4_state_shutdown_net(struct net *net);
 
 /* Locking: */
 
@@ -4942,7 +4943,9 @@ nfs4_state_start_net(struct net *net)
 	ret = nfs4_state_create_net(net);
 	if (ret)
 		return ret;
-	nfsd4_client_tracking_init(net);
+	ret = nfsd4_client_tracking_init(net);
+	if (ret)
+		goto out_tracking;
 	nn->boot_time = get_seconds();
 	locks_start_grace(net, &nn->nfsd4_manager);
 	nn->grace_ended = false;
@@ -4950,6 +4953,10 @@ nfs4_state_start_net(struct net *net)
 	       nn->nfsd4_grace, net);
 	queue_delayed_work(laundry_wq, &nn->laundromat_work, nn->nfsd4_grace * HZ);
 	return 0;
+
+out_tracking:
+	nfs4_state_destroy_net(net);
+	return ret;
 }
 
 /* initialization to perform when the nfsd service is started: */

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