tree 3eaa5a1f3af7f33d906d5919c8ca77c4ba967482
parent c7d1947e88d9cf7c3ab7ac73a1b34b312ce5f361
author Andrew Jeffery <andrew@aj.id.au> 1533822878 +0930
committer Andrew Jeffery <andrew@aj.id.au> 1536730551 +0930

transport: mbox: Centralise errno translation

We only need to do it once, after we've invoked the transport handler.
Previously it was distributed across the handler implementations which
was necessary while we were converting the handlers to standard errnos.

Change-Id: I76c02d768d297aa50bb9809b0392832d76046fc1
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>