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| author | Jörg Thalheim <joerg@higgsboson.tk> | 2016-12-19 15:34:07 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2016-12-19 15:34:07 +0100 |
| commit | 29b5ad083a6925efec8e188013d1298742e0baaa (patch) | |
| tree | 52fdcd6c6e1d643867519b580c17adef463bdc0b /src/network/networkd-ndisc.c | |
| parent | 12d6389c14816811c2418062b914b36a8a27ef5d (diff) | |
networkd-ndisc: handle missing mtu gracefully (#4913)
At least bird's implementation of router advertisement does not
set MTU option by default (instead it supplies an option to the user).
In this case just leave MTU as it is.
Diffstat (limited to 'src/network/networkd-ndisc.c')
| -rw-r--r-- | src/network/networkd-ndisc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/network/networkd-ndisc.c b/src/network/networkd-ndisc.c index 5320592f7a..5097ab9d72 100644 --- a/src/network/networkd-ndisc.c +++ b/src/network/networkd-ndisc.c @@ -118,7 +118,9 @@ static void ndisc_router_process_default(Link *link, sd_ndisc_router *rt) { } r = sd_ndisc_router_get_mtu(rt, &mtu); - if (r < 0) { + if (r == -ENODATA) + mtu = 0; + else if (r < 0) { log_link_warning_errno(link, r, "Failed to get default router MTU from RA: %m"); return; } |