fixed kfifo implementation: must not use fifo->size (size is rounded up inside kfifo implementation), fixed comparison in lirc_buffer_read
fixed kfifo implementation:
must not use fifo->size (size is rounded up inside kfifo implementation),
fixed comparison in lirc_buffer_read

stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc