hpsa: Allocate the correct amount of extra space for the scsi host

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Mike Miller <mikem@beardog.cce.hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/scsi/hpsa.c

@@ -890,7 +890,7 @@ static int hpsa_scsi_detect(struct ctlr_info *h)
 	struct Scsi_Host *sh;
 	int error;
 
-	sh = scsi_host_alloc(&hpsa_driver_template, sizeof(*h));
+	sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h));
 	if (sh == NULL)
 		goto fail;