Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...

[linux-2.6-omap-h63xx.git] / drivers / scsi / ppa.c

diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index 67b6d76a6c8d8f3f3d4b97ceb32a3bc6551901dc..f655ae320b483cfc418a30691b601f23a271b328 100644 (file)
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -608,9 +608,7 @@ static int ppa_completion(struct scsi_cmnd *cmd)
                                cmd->SCp.buffer++;
                                cmd->SCp.this_residual =
                                    cmd->SCp.buffer->length;
-                               cmd->SCp.ptr =
-                                   page_address(cmd->SCp.buffer->page) +
-                                   cmd->SCp.buffer->offset;
+                               cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                        }
                }
                /* Now check to see if the drive is ready to comunicate */
@@ -752,19 +750,16 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                cmd->SCp.phase++;
 
        case 4:         /* Phase 4 - Setup scatter/gather buffers */
-               if (cmd->use_sg) {
-                       /* if many buffers are available, start filling the first */
-                       cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
+               if (scsi_bufflen(cmd)) {
+                       cmd->SCp.buffer = scsi_sglist(cmd);
                        cmd->SCp.this_residual = cmd->SCp.buffer->length;
-                       cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) +
-                           cmd->SCp.buffer->offset;
+                       cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                } else {
-                       /* else fill the only available buffer */
                        cmd->SCp.buffer = NULL;
-                       cmd->SCp.this_residual = cmd->request_bufflen;
-                       cmd->SCp.ptr = cmd->request_buffer;
+                       cmd->SCp.this_residual = 0;
+                       cmd->SCp.ptr = NULL;
                }
-               cmd->SCp.buffers_residual = cmd->use_sg - 1;
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
                cmd->SCp.phase++;
 
        case 5:         /* Phase 5 - Data transfer stage */