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John Crispin
0c2fb39c5a
Replace exit(1) on every failure path with return null so callers that iterate over multiple radios can collect results from the radios that did succeed instead of aborting on the first one that refuses an off-channel scan. Route diagnostics to stderr via warn() so stdout stays clean for callers parsing JSON output, and include the device name in each message to disambiguate per-radio failures. Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>