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SUNRPC: Eliminate task->tk_xprt accesses that bypass rcu_dereference()

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tk_xprt is just a shortcut for tk_client->cl_xprt, however cl_xprt is
defined as an __rcu variable. Replace dereferences of tk_xprt with
non-rcu dereferences where it is safe to do so.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2013-01-08 09:10:21 -05:00
parent 88b62b915b
commit a4f0835c60
7 changed files with 18 additions and 16 deletions
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2
net/sunrpc/xprtsock.c
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@@ -770,7 +770,7 @@ static void xs_tcp_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
goto out_release;
if (req->rq_bytes_sent == req->rq_snd_buf.len)
goto out_release;
set_bit(XPRT_CLOSE_WAIT, &task->tk_xprt->state);
set_bit(XPRT_CLOSE_WAIT, &xprt->state);
out_release:
xprt_release_xprt(xprt, task);
}