cciss: remove some superfluous tests from cciss_bigpassthru()

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

drivers/block/cciss.c

@@ -1580,29 +1580,20 @@ static int cciss_bigpassthru(ctlr_info_t *h, void __user *argp)
 	}
 	c->cmd_type = CMD_IOCTL_PEND;
 	c->Header.ReplyQueue = 0;
-
-	if (ioc->buf_size > 0) {
 	c->Header.SGList = sg_used;
 	c->Header.SGTotal = sg_used;
-	} else {
-		c->Header.SGList = 0;
-		c->Header.SGTotal = 0;
-	}
 	c->Header.LUN = ioc->LUN_info;
 	c->Header.Tag.lower = c->busaddr;
 
 	c->Request = ioc->Request;
-	if (ioc->buf_size > 0) {
 	for (i = 0; i < sg_used; i++) {
-			temp64.val =
-			    pci_map_single(h->pdev, buff[i], buff_size[i],
+		temp64.val = pci_map_single(h->pdev, buff[i], buff_size[i],
 				    PCI_DMA_BIDIRECTIONAL);
 		c->SG[i].Addr.lower = temp64.val32.lower;
 		c->SG[i].Addr.upper = temp64.val32.upper;
 		c->SG[i].Len = buff_size[i];
 		c->SG[i].Ext = 0;	/* we are not chaining */
 	}
-	}
 	c->waiting = &wait;
 	enqueue_cmd_and_start_io(h, c);
 	wait_for_completion(&wait);