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NFSv4: nfs4_locku_done must release the sequence id

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If the state recovery machinery is triggered by the call to
nfs4_async_handle_error() then we can deadlock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Trond Myklebust
2012-10-29 18:53:23 -04:00
parent 2240a9e2d0
commit 2b1bc308f4
1 changed files with 1 additions and 0 deletions
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fs/nfs/nfs4proc.c
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@@ -4531,6 +4531,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN) if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
rpc_restart_call_prepare(task); rpc_restart_call_prepare(task);
} }
nfs_release_seqid(calldata->arg.seqid);
} }
static void nfs4_locku_prepare(struct rpc_task *task, void *data) static void nfs4_locku_prepare(struct rpc_task *task, void *data)