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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2021-04-10 06:37:35 +0200 |
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committer | Luca Boccassi <luca.boccassi@gmail.com> | 2021-04-10 21:16:11 +0200 |
commit | 5c078687dca3d86cf4633e39b7e7bc1a4f761d42 (patch) | |
tree | c02fe3cbfbd521e4cccfdf01d5d5e37835557d67 /src/network/networkd-ndisc.c | |
parent | resolved: add RFC 8375 "home.arpa" to list of default NTA (diff) | |
download | systemd-5c078687dca3d86cf4633e39b7e7bc1a4f761d42.tar.xz systemd-5c078687dca3d86cf4633e39b7e7bc1a4f761d42.zip |
network: refuse to configure NDISC twice
Diffstat (limited to '')
-rw-r--r-- | src/network/networkd-ndisc.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c index ba7c184b66..6830cf592e 100644 --- a/src/network/networkd-ndisc.c +++ b/src/network/networkd-ndisc.c @@ -1315,15 +1315,16 @@ int ndisc_configure(Link *link) { if (!link_ipv6_accept_ra_enabled(link)) return 0; - if (!link->ndisc) { - r = sd_ndisc_new(&link->ndisc); - if (r < 0) - return r; + if (link->ndisc) + return 0; /* Already configured. */ - r = sd_ndisc_attach_event(link->ndisc, link->manager->event, 0); - if (r < 0) - return r; - } + r = sd_ndisc_new(&link->ndisc); + if (r < 0) + return r; + + r = sd_ndisc_attach_event(link->ndisc, link->manager->event, 0); + if (r < 0) + return r; r = sd_ndisc_set_mac(link->ndisc, &link->hw_addr.addr.ether); if (r < 0) |