On Mon, 2025-07-14 at 17:44 +0800, WangYuli wrote: > When injecting frames via radiotap, an HT MCS rate can be specified. > The number of chains for that MCS implies a minimum number of > antennas that must be enabled in the antenna bitmap. Previously, > if the antenna bitmap specified fewer antennas than required by the > MCS, the bitmap was silently cleared. This makes it hard to debug > issues with injected frames. > > Add a WARN_ONCE() to log a descriptive error when this happens, make > it clear that the antenna configuration was insufficient and has > been reset. > No. We shouldn't WARN on userspace misbehaviour. johannes
