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spi-master.c: spi_master_read_rt(): when master->ops->read() completes successfully it returns > 0, so, in this case, copy data to userspace. Signed-off-by: Laurentiu-Cristian Duca <laurentiu.duca@gmail.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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