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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-05-31 15:15:34 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-06-15 11:24:27 -0400 |
| commit | 0b760113a3a155269a3fba93a409c640031dd68f (patch) | |
| tree | 699dc3e0ebe2df11b0c67045c046deafdb56282d /net/sunrpc/clnt.c | |
| parent | 9e3bd4e24e94d60d2e0762e919aab6c9a7fc0c5b (diff) | |
| download | linux-stable-0b760113a3a155269a3fba93a409c640031dd68f.tar.gz linux-stable-0b760113a3a155269a3fba93a409c640031dd68f.tar.bz2 linux-stable-0b760113a3a155269a3fba93a409c640031dd68f.zip | |
NLM: Don't hang forever on NLM unlock requests
If the NLM daemon is killed on the NFS server, we can currently end up
hanging forever on an 'unlock' request, instead of aborting. Basically,
if the rpcbind request fails, or the server keeps returning garbage, we
really want to quit instead of retrying.
Tested-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index b84d7395535e..566bcfd067f6 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1175,6 +1175,9 @@ call_bind_status(struct rpc_task *task) status = -EOPNOTSUPP; break; } + if (task->tk_rebind_retry == 0) + break; + task->tk_rebind_retry--; rpc_delay(task, 3*HZ); goto retry_timeout; case -ETIMEDOUT: |