*/
cmd = (struct scsi_cmnd *) hostdata->input_Q;
- prev = 0;
+ prev = NULL;
while (cmd) {
if (!(hostdata->busy[cmd->device->id] & (1 << cmd->device->lun)))
break;
*/
tmp = (struct scsi_cmnd *) hostdata->input_Q;
- prev = 0;
+ prev = NULL;
while (tmp) {
if (tmp == cmd) {
if (prev)