- Update to 2.6.25-rc3.
[linux-flexiantxendom0-3.2.10.git] / drivers / scsi / imm.c
index a3d0c6b..f97d172 100644 (file)
@@ -837,19 +837,16 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd)
 
                /* Phase 4 - Setup scatter/gather buffers */
        case 4:
-               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 = 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++;
                if (cmd->SCp.this_residual & 0x01)
                        cmd->SCp.this_residual++;