[issue1701] mkdir / returns EPERM instead of EEXIST (related to pkg_add)

[Chris Turner]

Alex Hornung (via DragonFly issue tracker) wrote:
> is called from many points, including from kern_mkdir to check if a 
directory
> already exists. If nlookup returns EPERM, kern_mkdir just returns that.

Thanks for the tip - I'll investigate further -
probably won't have a patch until the weekend, but will work on one -
(I am assuming all are OK w/r/t posix here..)