Hi Wolfgang, it's late, so I may have misread somecode, but don't you "update" the iovec descriptors a user passes on send/recvmsg on return (namely iovec_len)? I received some complaints about this /wrt to in-kernel CAN stack usage.
I always considered the same well-know behaviour of RTnet a bug, but now I found your code is doing this systematically, also for user space callers. Is this behaviour undefined or even required according POSIX or whatever? Jan
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