KFIFO_GET(9) FIFO Buffer KFIFO_GET(9)NAMEkfifo_get - get data from the fifoSYNOPSISkfifo_get(fifo, val);ARGUMENTSfifo address of the fifo to be used val the var where to store the data to be addedDESCRIPTIONThis macro reads the data from the fifo. It returns 0 if the fifo was empty. Otherwise it returns the number processed elements. Note that with only one concurrent reader and one concurrent writer, you don't need extra locking to use these macro.COPYRIGHTKernel Hackers Manual 3.10 June 2014 KFIFO_GET(9)