94e7298d30
The function was written to only return an error from internal allocation
failures, because when using it to create a bus message, we want to distinguish
a failed operation from an allocation error when sending the reply. But it
turns out that the only caller that makes this distinction checks that the
passed-in errno value ('type') is not negative beforehand. So we can make the
function pass 'type' value through, which makes most of the callers nicer.
No functional change.
System and Service Manager
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