SUNRPC: Handle low memory situations in call_status()
We need to handle ENFILE, ENOBUFS, and ENOMEM, because
xprt_wake_pending_tasks() can be called with any one of these due to
socket creation failures.
Fixes: b61d59fffd3e ("SUNRPC: xs_tcp_connect_worker{4,6}: merge common code")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 07328f1..6757b0f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2367,6 +2367,11 @@ call_status(struct rpc_task *task)
case -EPIPE:
case -EAGAIN:
break;
+ case -ENFILE:
+ case -ENOBUFS:
+ case -ENOMEM:
+ rpc_delay(task, HZ>>2);
+ break;
case -EIO:
/* shutdown or soft timeout */
goto out_exit;
