SUNRPC: Don't dereference xprt->snd_task if it's a cookie
Fixes: e26d9972720e ("SUNRPC: Clean up scheduling of autoclose") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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@ -965,7 +965,8 @@ TRACE_EVENT(rpc_socket_nospace,
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{ BIT(XPRT_REMOVE), "REMOVE" }, \
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{ BIT(XPRT_CONGESTED), "CONGESTED" }, \
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{ BIT(XPRT_CWND_WAIT), "CWND_WAIT" }, \
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{ BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" })
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{ BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" }, \
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{ BIT(XPRT_SND_IS_COOKIE), "SND_IS_COOKIE" })
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DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
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TP_PROTO(
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@ -1162,8 +1163,11 @@ DECLARE_EVENT_CLASS(xprt_writelock_event,
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__entry->task_id = -1;
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__entry->client_id = -1;
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}
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__entry->snd_task_id = xprt->snd_task ?
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xprt->snd_task->tk_pid : -1;
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if (xprt->snd_task &&
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!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
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__entry->snd_task_id = xprt->snd_task->tk_pid;
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else
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__entry->snd_task_id = -1;
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),
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TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
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@ -1208,8 +1212,12 @@ DECLARE_EVENT_CLASS(xprt_cong_event,
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__entry->task_id = -1;
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__entry->client_id = -1;
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}
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__entry->snd_task_id = xprt->snd_task ?
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xprt->snd_task->tk_pid : -1;
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if (xprt->snd_task &&
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!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
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__entry->snd_task_id = xprt->snd_task->tk_pid;
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else
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__entry->snd_task_id = -1;
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__entry->cong = xprt->cong;
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__entry->cwnd = xprt->cwnd;
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__entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);
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