[SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into...

[SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into the slow-path write handler.

Original implementation would not use the burst-write mechanisms
for requests equal to OPTROM_BURST_DWORDS transfer dwords.
Signed-off-by: NAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/qla2xxx/qla_sup.c

@@ -643,7 +643,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 		}
 
 		/* Go with burst-write. */
-		if (optrom && (liter + OPTROM_BURST_DWORDS) < dwords) {
+		if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
 			/* Copy data to DMA'ble buffer. */
 			for (miter = 0, s = optrom, d = dwptr;
 			    miter < OPTROM_BURST_DWORDS; miter++, s++, d++)