diff options
Diffstat (limited to 'hw/lpc-uart.c')
| -rw-r--r-- | hw/lpc-uart.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/lpc-uart.c b/hw/lpc-uart.c index 2e6114a..7c3190e 100644 --- a/hw/lpc-uart.c +++ b/hw/lpc-uart.c @@ -135,6 +135,10 @@ static size_t uart_con_write(const char *buf, size_t len) { size_t written = 0; + /* If LPC bus is bad, we just swallow data */ + if (!lpc_ok()) + return written; + lock(&uart_lock); while(written < len) { if (tx_room == 0) { |