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Commit 6e0ca206 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "serial: msm_geni_serial: memset RX buffer to Zero"

parents bf4800b5 d86d823c

drivers/tty/serial/msm_geni_serial.c

+8 −0
Original line number Diff line number Diff line
@@ -1729,6 +1729,14 @@ static int msm_geni_serial_handle_dma_rx(struct uart_port *uport, bool drop_rx) 
	tty_flip_buffer_push(tport);

	dump_ipc(msm_port->ipc_log_rx, "DMA Rx", (char *)msm_port->rx_buf, 0,

								rx_bytes);



	/*

	 * DMA_DONE interrupt doesn't confirm that the DATA is copied to

	 * DDR memory, sometimes we are queuing the stale data from previous

	 * transfer to tty flip_buffer, adding memset to zero

	 * change to idenetify such scenario.

	 */

	memset(msm_port->rx_buf, 0, rx_bytes);

exit_handle_dma_rx:



	return ret;