[SCSI] hpsa: Add an shost_to_hba helper function.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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@ -197,6 +197,12 @@ static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
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return (struct ctlr_info *) *priv;
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}
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static inline struct ctlr_info *shost_to_hba(struct Scsi_Host *sh)
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{
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unsigned long *priv = shost_priv(sh);
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return (struct ctlr_info *) *priv;
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}
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static struct task_struct *hpsa_scan_thread;
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static DEFINE_MUTEX(hpsa_scan_mutex);
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static LIST_HEAD(hpsa_scan_q);
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@ -381,8 +387,7 @@ static ssize_t host_store_rescan(struct device *dev,
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{
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struct ctlr_info *h;
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struct Scsi_Host *shost = class_to_shost(dev);
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unsigned long *priv = shost_priv(shost);
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h = (struct ctlr_info *) *priv;
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h = shost_to_hba(shost);
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if (add_to_scan_list(h)) {
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wake_up_process(hpsa_scan_thread);
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wait_for_completion_interruptible(&h->scan_wait);
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