diff options
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/clnt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index cdc7564b451..dd2532c1032 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -607,6 +607,13 @@ EXPORT_SYMBOL_GPL(rpc_killall_tasks); */ void rpc_shutdown_client(struct rpc_clnt *clnt) { + /* + * To avoid deadlock, never call rpc_shutdown_client from a + * workqueue context! + */ + WARN_ON_ONCE(current->flags & PF_WQ_WORKER); + might_sleep(); + dprintk_rcu("RPC: shutting down %s client for %s\n", clnt->cl_protname, rcu_dereference(clnt->cl_xprt)->servername); |