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d95f5aa011
The FIFO reports not only the bytes read, but also 4 error bits. These were not checked, leading to NUL value read in case of break and possible garbage bytes being written on parity/framing error. This patch addresses the issue that NUL bytes are incorrectly read on break, and at least provides the boilerplate code and comments for error handling, that may be implemented in the future. Signed-off-by: Maarten van der Schrieck <maarten@thingsconnected.nl>