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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-04-15 17:54:13 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-04-17 22:07:28 +0200 |
| commit | a7b1a4839ff979b4dd4fb6c1ccd31af11de9ca87 (patch) | |
| tree | 48222176f78e8c189f43cf9d106adcf8183d75fc /net/sunrpc/clnt.c | |
| parent | Linux 5.1-rc5 (diff) | |
| download | linux-a7b1a4839ff979b4dd4fb6c1ccd31af11de9ca87.tar.xz linux-a7b1a4839ff979b4dd4fb6c1ccd31af11de9ca87.zip | |
SUNRPC: Ignore queue transmission errors on successful transmission
If a request transmission fails due to write space or slot unavailability
errors, but the queued task then gets transmitted before it has time to
process the error in call_transmit_status() or call_bc_transmit_status(),
we need to suppress the transmission error code to prevent it from leaking
out of the RPC layer.
Reported-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 1d0395ef62c9..8ff11dc98d7f 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2081,8 +2081,8 @@ call_transmit_status(struct rpc_task *task) * test first. */ if (rpc_task_transmitted(task)) { - if (task->tk_status == 0) - xprt_request_wait_receive(task); + task->tk_status = 0; + xprt_request_wait_receive(task); return; } @@ -2167,6 +2167,9 @@ call_bc_transmit_status(struct rpc_task *task) { struct rpc_rqst *req = task->tk_rqstp; + if (rpc_task_transmitted(task)) + task->tk_status = 0; + dprint_status(task); switch (task->tk_status) { |