From 963b713d46ed7126851be3dc1640d5bc5affeaf3 Mon Sep 17 00:00:00 2001
From: "S.J.R. van Schaik" <stephan@synkhronix.com>
Date: Tue, 18 Jul 2017 15:06:20 +0200
Subject: [PATCH] stm32f0: usart: fix typo

---
 source/drivers/usart_console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/drivers/usart_console.c b/source/drivers/usart_console.c
index e29a947..0e8cd2c 100644
--- a/source/drivers/usart_console.c
+++ b/source/drivers/usart_console.c
@@ -132,7 +132,7 @@ static ssize_t usart_write(void *cookie, const char *buf, size_t n)
 
 static int usart_get_irq_no(unsigned *irq_no, unsigned dev)
 {
-	if (irq_no)
+	if (!irq_no)
 		return -1;
 
 	switch (dev) {