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: b61d59f ("SUNRPC: xs_tcp_connect_worker{4,6}: merge common code") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
mariux64 · Apr 7, 2022 · 9d82819 · 9d82819
1 parent d3c1503
commit 9d82819
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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;