From cfff6c3c9863460db5b1398d896c906f838a5bc2 Mon Sep 17 00:00:00 2001 From: Brendan Le Foll Date: Wed, 2 Sep 2015 14:39:54 +0100 Subject: [PATCH] uart.c: Fix return value check for tcflush() Signed-off-by: Brendan Le Foll --- src/uart/uart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/uart/uart.c b/src/uart/uart.c index 82e1252..76cf9a2 100644 --- a/src/uart/uart.c +++ b/src/uart/uart.c @@ -253,7 +253,7 @@ mraa_uart_flush(mraa_uart_context dev) return MRAA_ERROR_INVALID_HANDLE; } - if (!tcdrain(dev->fd)) { + if (tcdrain(dev->fd) == -1) { return MRAA_ERROR_FEATURE_NOT_SUPPORTED; } -- 2.7.4