[PATCH] cciss: fix for DMA brokeness

[safe/jmp/linux-2.6] / drivers / block / cciss.c

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 49f0541..c56f995 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1730,8 +1730,10 @@ case CMD_HARDWARE_ERR:
                }
        }       
        /* unlock the buffers from DMA */
+       buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
+       buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
        pci_unmap_single( h->pdev, (dma_addr_t) buff_dma_handle.val,
-                       size, PCI_DMA_BIDIRECTIONAL);
+                       c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
        cmd_free(h, c, 0);
         return(return_status);
 
@@ -2011,8 +2013,10 @@ resend_cmd1:
                
 cleanup1:      
        /* unlock the data buffer from DMA */
+       buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
+       buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
        pci_unmap_single(info_p->pdev, (dma_addr_t) buff_dma_handle.val,
-                               size, PCI_DMA_BIDIRECTIONAL);
+                               c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
        cmd_free(info_p, c, 1);
        return (status);
 }