isci: isci_request_cleanup_completed_loiterer checks task before task_done
In the condition where outstanding I/Os are being cleaned from the device requests in process list, the cleanup function needs to check that the request is actually a sas-task and not a task management function. Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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@ -631,13 +631,16 @@ static void isci_request_cleanup_completed_loiterer(
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struct isci_remote_device *isci_device,
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struct isci_request *isci_request)
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{
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struct sas_task *task = isci_request_access_task(isci_request);
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unsigned long flags;
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struct sas_task *task;
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unsigned long flags;
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task = (isci_request->ttype == io_task)
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? isci_request_access_task(isci_request)
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: NULL;
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dev_dbg(&isci_host->pdev->dev,
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"%s: isci_device=%p, request=%p, task=%p\n",
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__func__, isci_device, isci_request,
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isci_request->ttype_ptr.io_task_ptr);
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__func__, isci_device, isci_request, task);
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spin_lock_irqsave(&isci_host->scic_lock, flags);
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list_del_init(&isci_request->dev_node);
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