[SCSI] aacraid: optimize sg alloc

Received From Mark Salyzyn

Slight space and speed efficiency improvement.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 642a3b4..5d29897 100644 (file)
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -2218,15 +2218,15 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
                }
        }
        else if(scsicmd->request_bufflen) {
-               dma_addr_t addr; 
-               addr = pci_map_single(dev->pdev,
+               u32 addr;
+               scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
                                scsicmd->request_buffer,
                                scsicmd->request_bufflen,
                                scsicmd->sc_data_direction);
+               addr = scsicmd->SCp.dma_handle;
                psg->count = cpu_to_le32(1);
                psg->sg[0].addr = cpu_to_le32(addr);
                psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);  
-               scsicmd->SCp.dma_handle = addr;
                byte_count = scsicmd->request_bufflen;
        }
        return byte_count;