From: Nicolas Dichtel
Date: Fri, 9 Jun 2017 14:41:57 +0200
> When the user tries to assign a specific nsid, idr_alloc() is called with
> the range [nsid, nsid+1]. If this nsid is already used, idr_alloc() returns
> ENOSPC (No space left on device). In our case, it's better to return
> EEXIST to
When the user tries to assign a specific nsid, idr_alloc() is called with
the range [nsid, nsid+1]. If this nsid is already used, idr_alloc() returns
ENOSPC (No space left on device). In our case, it's better to return
EEXIST to make it clear that the nsid is not available.
CC: Jamal Hadi Salim
S
