add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/hosts.c
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@@ -180,6 +180,7 @@
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 	scsi_forget_host(shost);
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 	mutex_unlock(&shost->scan_mutex);
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 	scsi_proc_host_rm(shost);
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+	scsi_proc_hostdir_rm(shost->hostt);
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 	spin_lock_irqsave(shost->host_lock, flags);
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 	if (scsi_host_set_state(shost, SHOST_DEL))
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@@ -321,9 +322,7 @@
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 	struct Scsi_Host *shost = dev_to_shost(dev);
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 	struct device *parent = dev->parent;
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-	scsi_proc_hostdir_rm(shost->hostt);
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-
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-	/* Wait for functions invoked through call_rcu(&shost->rcu, ...) */
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+	/* Wait for functions invoked through call_rcu(&scmd->rcu, ...) */
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 	rcu_barrier();
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 	if (shost->tmf_work_q)