taglinefilesource code
opsize268net/ipv4/tcp_input.cint opsize=*ptr++;
opsize279net/ipv4/tcp_input.cif(opsize<=2)  /* Avoid silly options looping forever */
opsize284net/ipv4/tcp_input.cif(opsize==4 && th->syn)
opsize292net/ipv4/tcp_input.cptr+=opsize-2;
opsize293net/ipv4/tcp_input.clength-=opsize;