Zbigniew Jędrzejewski-Szmek 751db3b4cd Return -EINVAL from _from_string() functions ...

We'd return -1 (-EPERM), even though we have a general rule to use real errno
values. The particular case that caught my attention was:

$ sudo udevadm control -l asdf
Failed to parse log priority 'asdf': Operation not permitted

... but "git grep 'r =.*_from_string' src/" return 110 hits. Confusingly, some
of the _from_string functions already return a proper errno value, so not all
of those are broken, but probably quite a few.

2021-02-10 14:46:59 +01:00

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