dhcp-sever: check properly for invalid fds
authorLennart Poettering <lennart@poettering.net>
Wed, 21 Mar 2018 19:30:29 +0000 (20:30 +0100)
committerLennart Poettering <lennart@poettering.net>
Wed, 21 Mar 2018 19:30:29 +0000 (20:30 +0100)
commitcfcbb135837a6e5fe79c9ebb10da8c30c489fb89
treeafcab7e24c5930668aa2bedb50fb22d288aa259b
parentc3922c0c1c426b33c1c783b57f2eafba8ff06f19
dhcp-sever: check properly for invalid fds

We generally just compare for negativity, not for equlity to -1, let's
do so here too.
src/libsystemd-network/sd-dhcp-server.c