During vport creation, there was a possibility to get create a
vport with same port_name as pport.  A new filter has added to
compare given port_name with the port_name of the pport.
Signed-Off-by: NSeokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: NAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>