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If ds_select_dst fails (no active destinations), $du may retain a stale value causing misrouting. Log error and return early on failure. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
If
ds_select_dst()fails (e.g. no active destinations in dispatcher set),$dumay retain a stale value from a previous request, causing misrouting. The failure was silently ignored.Changes
ds_select_dst()in a return-value check inroute[GET_ASTERISK_NODE]L_ERRandreturnearly on failure so caller can handle the missing destinationImpact
Prevents stale
$dufrom sending calls to wrong destinations when all backends are down.