Improve test of double references
Improve test of double references

lucasdemarchi/kmod,pmmccorm/kmod,Distrotech/kmod,lpereira/kmod,pmmccorm/kmod,lpereira/kmod,lucasdemarchi/kmod,pmmccorm/kmod,lucasdemarchi/kmod,Distrotech/kmod,lpereira/kmod,Distrotech/kmod