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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2010-02-04 08:43:11 -0600
committerJames Bottomley <James.Bottomley@suse.de>2010-02-17 13:22:01 -0600
commita23513e8413e02b7e34e96a03d6bfd1c1948ac00 (patch)
tree160fe25ac295679b1bb4af015fc973698db49f6b /drivers/scsi/hpsa.c
parent01fb21870d96c83ae01072674e380ac51ebc58c8 (diff)
[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>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 320d6863c44..e81df76df82 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -197,6 +197,12 @@ static inline struct ctlr_info *sdev_to_hba(struct scsi_device *sdev)
return (struct ctlr_info *) *priv;
}
+static inline struct ctlr_info *shost_to_hba(struct Scsi_Host *sh)
+{
+ unsigned long *priv = shost_priv(sh);
+ return (struct ctlr_info *) *priv;
+}
+
static struct task_struct *hpsa_scan_thread;
static DEFINE_MUTEX(hpsa_scan_mutex);
static LIST_HEAD(hpsa_scan_q);
@@ -381,8 +387,7 @@ static ssize_t host_store_rescan(struct device *dev,
{
struct ctlr_info *h;
struct Scsi_Host *shost = class_to_shost(dev);
- unsigned long *priv = shost_priv(shost);
- h = (struct ctlr_info *) *priv;
+ h = shost_to_hba(shost);
if (add_to_scan_list(h)) {
wake_up_process(hpsa_scan_thread);
wait_for_completion_interruptible(&h->scan_wait);