On Fri, 24 Nov 2023 19:01:36 +0100, Krzysztof Kozlowski wrote: > If bus is marked as multi_link, but number of masters in the stream is > not higher than bus->hw_sync_min_links (bus->multi_link && m_rt_count >= > bus->hw_sync_min_links), bank switching should not happen. The first > part of do_bank_switch() code properly takes these conditions into > account, but second part (sdw_ml_sync_bank_switch()) relies purely on > bus->multi_link property. This is not balanced and leads to NULL > pointer dereference: > > [...] Applied, thanks! [1/1] soundwire: stream: fix NULL pointer dereference for multi_link commit: e199bf52ffda8f98f129728d57244a9cd9ad5623 Best regards, -- ~Vinod