diff options
-rw-r--r-- | hw/char/cadence_uart.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c index 9d379e5b15..a217271beb 100644 --- a/hw/char/cadence_uart.c +++ b/hw/char/cadence_uart.c @@ -374,6 +374,9 @@ static void uart_write(void *opaque, hwaddr offset, DB_PRINT(" offset:%x data:%08x\n", (unsigned)offset, (unsigned)value); offset >>= 2; + if (offset >= CADENCE_UART_R_MAX) { + return; + } switch (offset) { case R_IER: /* ier (wts imr) */ s->r[R_IMR] |= value; |