Eric Biggers 29a98c1caf fscrypt: use ENOPKG when crypto API support missing
Return ENOPKG rather than ENOENT when trying to open a file that's
encrypted using algorithms not available in the kernel's crypto API.

This avoids an ambiguity, since ENOENT is also returned when the file
doesn't exist.

Note: this is the same approach I'm taking for fs-verity.

Signed-off-by: Eric Biggers <ebiggers@google.com>
2019-08-12 19:04:44 -07:00
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