| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 442/475] SUNRPC: Handle low memory situations in call_status() | Date | Thu, 14 Apr 2022 15:13:47 +0200 |
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From: Trond Myklebust <trond.myklebust@hammerspace.com>
[ Upstream commit 9d82819d5b065348ce623f196bf601028e22ed00 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/sunrpc/clnt.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index bc191d2c193e..08e1ccc01e98 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2394,6 +2394,11 @@ 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; -- 2.35.1
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