scsi: Clean up createVport exit paths
scsi: Clean up createVport exit paths

Use the ret = -1, goto cleanup, etc. rather than current hodgepodge.

Signed-off-by: John Ferlan <87558058f6f829e5ec976c8ef960720af4ff9c7d@redhat.com>

eskultety/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,crobinso/libvirt,andreabolognani/libvirt,crobinso/libvirt,datto/libvirt,VenkatDatta/libvirt,libvirt/libvirt,jfehlig/libvirt,jfehlig/libvirt,datto/libvirt,fabianfreyer/libvirt,taget/libvirt,jardasgit/libvirt,datto/libvirt,nertpinx/libvirt,crobinso/libvirt,libvirt/libvirt,VenkatDatta/libvirt,zippy2/libvirt,taget/libvirt,olafhering/libvirt,andreabolognani/libvirt,nertpinx/libvirt,datto/libvirt,eskultety/libvirt,olafhering/libvirt,nertpinx/libvirt,andreabolognani/libvirt,crobinso/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,taget/libvirt,andreabolognani/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,zippy2/libvirt,eskultety/libvirt,eskultety/libvirt,taget/libvirt,jardasgit/libvirt,datto/libvirt,zippy2/libvirt,jardasgit/libvirt,zippy2/libvirt,nertpinx/libvirt,taget/libvirt,andreabolognani/libvirt,libvirt/libvirt,jfehlig/libvirt,eskultety/libvirt,olafhering/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,olafhering/libvirt,jfehlig/libvirt,libvirt/libvirt