Name
__dev_get_by_name — 
     find a device by its name
 
Arguments
- net
- 
     the applicable net namespace
     
- name
- 
     name to find
     
Description
   Find an interface by name. Must be called under RTNL semaphore
   or dev_base_lock. If the name is found a pointer to the device
   is returned. If the name is not found then NULL is returned. The
   reference counters are not incremented so the caller must be
   careful with locks.