taglinefilesource code
opsize2938net/ipv4/tcp.cint opsize=*ptr++;
opsize2949net/ipv4/tcp.cif(opsize<=2)  /* Avoid silly options looping forever */
opsize2954net/ipv4/tcp.cif(opsize==4 && th->syn)
opsize2962net/ipv4/tcp.cptr+=opsize-2;
opsize2963net/ipv4/tcp.clength-=opsize;