Re: [PATCH] Shift key-related error codes up and insert ECANCELED

[David Howells]

> You should use existing codes IMHO. Lets see
> 
> EKEYEXPIRED		-	ETIME (ETIMEDOUT ? ENOLINK ?)
> ENOKEY			-	ENOENT
> EKEYREJECTED		-	EILSEQ / EMSGSIZE / EPROTOTYPE ..
> EKEYREVOKED		-	EREMCHG / ESHUTDOWN

The problem with doing that is that these error codes have specific meanings
that we're then violating the standards by overloading. Take open() for
example: it's possible that this will return ENOENT because there's no file
there to be opened; I think it's a bad idea for it to return ENOENT when there
is a file there, but we don't have a key, hence ENOKEY.

David
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