if (test_bit(SHOST_DEL, &shost->shost_state) || 
if ((shost->shost_state == SHOST_DEL) || 
struct Scsi_Host *scsi_host_get(struct Scsi_Host *shost){	if (test_bit(SHOST_DEL, &shost->shost_state) ||		!get_device(&shost->shost_gendev))		return NULL;	return shost;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d3301874083874f8a0ac88aa1bb7da6b62df34d2/hosts.c/buggy/drivers/scsi/hosts.c