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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-04-09 20:16:35 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-04-13 14:38:24 +0900 |
| commit | bc9e40c9a1534ee737d4131d7ba8dcc36d1d5f05 (patch) | |
| tree | fd37ed09e6487200f99405548814b81e65d390c7 /src/network/networkd-lldp-rx.c | |
| parent | 54cfe9a75f0e84d0604d39b87b1d919542336809 (diff) | |
| download | systemd-bc9e40c9a1534ee737d4131d7ba8dcc36d1d5f05.tar.gz | |
network: refuse to configure engines such as DHCP client more than once
Diffstat (limited to 'src/network/networkd-lldp-rx.c')
| -rw-r--r-- | src/network/networkd-lldp-rx.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/network/networkd-lldp-rx.c b/src/network/networkd-lldp-rx.c index bf1dd045b8..5b1b90cdd3 100644 --- a/src/network/networkd-lldp-rx.c +++ b/src/network/networkd-lldp-rx.c @@ -73,15 +73,16 @@ int link_lldp_rx_configure(Link *link) { if (!link_lldp_rx_enabled(link)) return 0; - if (!link->lldp) { - r = sd_lldp_new(&link->lldp); - if (r < 0) - return r; + if (link->lldp) + return -EBUSY; - r = sd_lldp_attach_event(link->lldp, link->manager->event, 0); - if (r < 0) - return r; - } + r = sd_lldp_new(&link->lldp); + if (r < 0) + return r; + + r = sd_lldp_attach_event(link->lldp, link->manager->event, 0); + if (r < 0) + return r; r = sd_lldp_set_ifindex(link->lldp, link->ifindex); if (r < 0) |