[SCSI] hpsa: do not inquire for unsupported ioaccel status vpd page

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/hpsa_cmd.h

@@ -144,8 +144,10 @@
 #define CFGTBL_BusType_Fibre2G  0x00000200l
 
 /* VPD Inquiry types */
+#define HPSA_VPD_SUPPORTED_PAGES        0x00
 #define HPSA_VPD_LV_DEVICE_GEOMETRY     0xC1
 #define HPSA_VPD_LV_IOACCEL_STATUS      0xC2
+#define HPSA_VPD_HEADER_SZ              4
 
 struct vals32 {
 	u32   lower;