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zebra: bugfix of error quit of zebra, due to no nexthop ACTIVE

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There exists some rare situations where fpm will attempt
to send a route update with no valid nexthops.  In that
case an assert would be hit.  This is not good for
trying to keep your routing daemons up and running
when we can safely just recover the situation.

Fixes #7588
Signed-off-by: batmancn <batmanustc@gmail.com>
<fixed commit message, and used zlog_err>
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
batmancn 2020-11-30 20:04:44 +08:00 committed by Donald Sharp
parent 68b47b29d8
commit 5306e6cf00
1 changed files with 3 additions and 1 deletions
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4
zebra/zebra_fpm.c
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@ -1002,7 +1002,6 @@ static int zfpm_build_route_updates(void)
data_len = zfpm_encode_route(dest, re, (char *)data,
buf_end - data, &msg_type);
assert(data_len);
if (data_len) {
hdr->msg_type = msg_type;
msg_len = fpm_data_len_to_msg_len(data_len);
@ -1013,6 +1012,9 @@ static int zfpm_build_route_updates(void)
zfpm_g->stats.route_adds++;
else
zfpm_g->stats.route_dels++;
} else {
zlog_err("%s: Encoding Prefix: %pRN No valid nexthops",
__func__, dest->rnode);
}
}