taglinefilesource code
atalk_checksum1445net/appletalk/ddp.cif(ddp->deh_sum && atalk_checksum(ddp, ddp->deh_len)!= ddp->deh_sum)
atalk_checksum1745net/appletalk/ddp.cddp->deh_sum=atalk_checksum(ddp, len+sizeof(*ddp));