On 23.02.20 11:02, Greg KH wrote: > You should have gotten a runtime error with this change if you tested > it. Did that not happen somehow? > > As Johan said, all USB data has to be dynamically allocated. I just tried again and now I'm getting one: "transfer buffer is on stack". Clearly something went wrong when I tried the change--in all likelyhook my test environment was using an old build. I'm sorry for not noticing/testing properly before sending. Michael