stream = kcalloc(1, sizeof *stream, mem_flags); 
stream = kzalloc(sizeof *stream, mem_flags); 
iso_stream_alloc (unsigned mem_flags){	struct ehci_iso_stream *stream;	stream = kcalloc(1, sizeof *stream, mem_flags);	if (likely (stream != NULL)) {		INIT_LIST_HEAD(&stream->td_list);		INIT_LIST_HEAD(&stream->free_list);		stream->next_uframe = -1;		stream->refcount = 1;	}	return stream;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/7b842b6e3704f4b9606ff8a4ffe03579d9addf5e/ehci-sched.c/buggy/drivers/usb/host/ehci-sched.c