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zebra: fix missing node attribute set in ifp

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There are cases when switching from one netns to an other one, where the
if_table registration by index has not been flushed. This fix mitigates
the potential crashes, in case the ifp->node pointer is null, the value
is overwritten by the route_node obtained.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2018-05-04 09:43:52 +02:00
parent 5efbf31054
commit 393ec5424e
1 changed files with 1 additions and 0 deletions
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zebra/interface.c
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@ -202,6 +202,7 @@ struct interface *if_link_per_ns(struct zebra_ns *ns, struct interface *ifp)
if (rn->info) {
ifp = (struct interface *)rn->info;
route_unlock_node(rn); /* get */
ifp->node = rn;
return ifp;
}