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KRT: Fix route learn scan when route changed

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When a kernel route changed, function krt_learn_scan() noticed that and
replaced the route in internal kernel FIB, but after that, function
krt_learn_prune() failed to propagate the new route to the nest, because
it confused the new route with the (removed) old best route and decided
that the best route did not changed.

Wow, the original code (and the bug) is almost 17 years old.
This commit is contained in:
Ondrej Zajicek (work)
2016-03-23 18:25:15 +01:00
parent ea0a8be2ff
commit e86cfd41d9
4 changed files with 34 additions and 22 deletions
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5
sysdep/bsd/krt-sock.c
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@@ -493,9 +493,8 @@ krt_read_route(struct ks_msg *msg, struct krt_proto *p, int scan)
e->net = net;
e->u.krt.src = src;
e->u.krt.proto = src2;
/* These are probably too Linux-specific */
e->u.krt.type = 0;
e->u.krt.seen = 0;
e->u.krt.best = 0;
e->u.krt.metric = 0;
if (scan)