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lib: Add a warning for when we are not operating correctly
There exists a possibilty that route map dependencies have gotten wrong. Prevent the crash and warn the user that we may be in trouble. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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@ -2767,12 +2767,19 @@ static int route_map_dep_update(struct hash *dephash, const char *dep_name,
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memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data));
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tmp_dep_data.rname = rname;
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dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data);
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if (!dep_data)
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/*
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* If dep_data is NULL then something has gone seriously
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* wrong in route-map handling. Note it and prevent
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* the crash.
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*/
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if (!dep_data) {
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zlog_warn(
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"route-map dependency for route-map %s: %s is not correct",
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rmap_name, dep_name);
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goto out;
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}
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if (dep_data->refcnt)
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dep_data->refcnt--;
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dep_data->refcnt--;
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if (!dep_data->refcnt) {
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ret_dep_data = hash_release(dep->dep_rmap_hash,
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