From: Trond Myklebust trond.myklebust@hammerspace.com
[ Upstream commit b4e4f66901658fae0614dea5bf91062a5387eda7 ]
If the state manager thread fails to start, then we should just mark the client initialisation as failed so that other processes or threads don't get stuck in nfs_wait_client_init_complete().
Reported-by: ChenXiaoSong chenxiaosong2@huawei.com Fixes: 4697bd5e9419 ("NFSv4: Fix a race in the net namespace mount notification") Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/nfs4state.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index c60b3a1f6d2b..2ee30ffeb6b9 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1224,6 +1224,8 @@ void nfs4_schedule_state_manager(struct nfs_client *clp) if (IS_ERR(task)) { printk(KERN_ERR "%s: kthread_run: %ld\n", __func__, PTR_ERR(task)); + if (!nfs_client_init_is_complete(clp)) + nfs_mark_client_ready(clp, PTR_ERR(task)); nfs4_clear_state_manager_bit(clp); nfs_put_client(clp); module_put(THIS_MODULE);