if (!p) return NULL; 
if (!p) return NULL; 
struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,					int length, int channel,					int tag, int sync){	struct hpsb_packet *p;	p = hpsb_alloc_packet(length);	if (!p) return NULL;	p->host = host;	fill_iso_packet(p, length, channel, tag, sync);	p->generation = get_hpsb_generation(host);	return p;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/16c333a34a1a0441c54c4fe5cf6052716f95c2fa/ieee1394_transactions.c/buggy/drivers/ieee1394/ieee1394_transactions.c