All calls to neo_copy_data_from_uart_to_queue() are safeguarded against NULL dereference of its parameter, except the one that this patch changes. That said, let's play safe and check for NULL in this case too. Signed-off-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxxxxxxxxxx> --- drivers/tty/serial/jsm/jsm_neo.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c index 6fa9a54b2454..bf0e2a4cb0ce 100644 --- a/drivers/tty/serial/jsm/jsm_neo.c +++ b/drivers/tty/serial/jsm/jsm_neo.c @@ -1172,6 +1172,9 @@ static irqreturn_t neo_intr(int irq, void *voidbrd) continue; ch = brd->channels[port]; + if (!ch) + continue; + neo_copy_data_from_uart_to_queue(ch); /* Call our tty layer to enforce queue flow control if needed. */ -- 2.15.0 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
