network: allow empty assignment to PreferredLifetime=
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Thu, 21 May 2020 06:36:01 +0000 (08:36 +0200)
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Sun, 31 May 2020 05:05:13 +0000 (07:05 +0200)
commita7a9fe3c930d316a58e9a53703934dde517db192
tree9c4c68346354233284df30a17d0628644c29a19c
parent8df6fc1241d17c1b7eec88630dc88200d52e84c3
network: allow empty assignment to PreferredLifetime=

Users might want to use that to unset a previous setting. The docs seem OK as
they are: we don't need to explictly mention the empty value, since it is
almost always allowed.

(cherry picked from commit 10b20e5a936e28de47b8c42fab8d73bce528fa8e)
src/network/networkd-address.c