up(&sdev->host->scan_mutex); 
up(&shost->scan_mutex); 
void scsi_remove_device(struct scsi_device *sdev){	down(&sdev->host->scan_mutex);	__scsi_remove_device(sdev);	up(&sdev->host->scan_mutex);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/541950027f8b7c96a639bc16e48930c590f1b98a/scsi_sysfs.c/buggy/drivers/scsi/scsi_sysfs.c